All models
OpenAI · launched 22 Sept 2026
GPT-6 Sol
The mid-tier GPT-6 model, sitting between GPT-6 Luna and the flagship GPT-6 Astra.
Read the official announcementModel details
- Vendor
- OpenAI
- Launch date
- 22 Sept 2026
- Input price
- $2.00 / 1M tokens
- Output price
- $10 / 1M tokens
- Cached input
- $0.20 / 1M tokens
- Batch discount
- 50%
- Context window
- 1.05M tokens
- Max output
- 128K tokens
- Input types
- Text, Image, File
- API model ID
- gpt-6-sol
- OpenRouter ID
- openai/gpt-6-sol
Compared with GPT-5.6 Sol
Input price
$2.00
was $4.00 · 50% cheaper
Output price
$10
was $20 · 50% cheaper
Blended price
$4.00
was $8.00 · 50% cheaper
Best published results
- AutomationBench 1.0.6xhigh effort · $0.27 per task · reported by OpenAI33.2%
- Agents' Last Exam V1max effort · $2.93 per task · reported by OpenAI56.4%
- Factual error rate(lower is better)xhigh effort · $0.13 per task · reported by OpenAI4.5%
- FrontierCode 1.1max effort · $2.14 per task · reported by OpenAI49.3%
- DeepSWE 1.1max effort · $2.74 per task · reported by OpenAI68.8%
- OSWorld 2.0max effort · $3.25 per task · reported by OpenAI64.4%
- FrontierCode v1.1max effort · $2.07 per task · reported by Anthropic49.3%
- AA-Briefcase v1.1max effort · $2.67 per task · reported by Anthropic1483 Elo
Price compared with other models
| Model | Launched | Input / 1M | Output / 1M | Cached / 1M | Blended / 1M | vs GPT-6 Sol |
|---|---|---|---|---|---|---|
| GPT-6 LunaOpenAI | 22 Sept 2026 | $0.10 | $0.50 | $0.01 | $0.20 | 95% cheaper |
| GPT-5.6 LunaOpenAI | 9 Jul 2026 | $0.20 | $1.20 | $0.02 | $0.45 | 89% cheaper |
| Claude Sonnet 5Anthropic | 30 Jun 2026 | $2.00 | $10 | $0.20 | $4.00 | Same price |
| Claude Sonnet 5.5Anthropic | 28 Sept 2026 | $2.00 | $10 | $0.20 | $4.00 | Same price |
| GPT-6 SolOpenAI | 22 Sept 2026 | $2.00 | $10 | $0.20 | $4.00 | Baseline |
| Claude Opus 5.5Anthropic | 22 Sept 2026 | $4.00 | $20 | $0.20 | $8.00 | 2× the price |
| GPT-5.6 SolOpenAI · previous generationPrice before the GPT-6 launch, from OpenAI's announcement. OpenRouter now lists $2 / $10. | 9 Jul 2026 | $4.00 | $20 | – | $8.00 | 2× the price |
| Claude Opus 5Anthropic | 24 Jul 2026 | $5.00 | $25 | $0.50 | $10 | 2.5× the price |
| Claude Fable 5Anthropic | 9 Jun 2026 | $10 | $50 | $1.00 | $20 | 5× the price |
| Claude Fable 5.1Anthropic | 1 Sept 2026 | $10 | $50 | $0.25 | $20 | 5× the price |
| GPT-6 AstraOpenAI | 4 Sept 2026 | $10 | $50 | $1.00 | $20 | 5× the price |
USD per million tokens, checked 2 Oct 2026 via OpenRouter. Comparison uses the blended price (3 input tokens for every output token).
Official benchmark results
GPT-6 Sol and Luna alignment evaluation
Reported by OpenAI on 22 Sept 2026 · exact values
| Benchmark | GPT-6 Astra | GPT-6 Sol | GPT-6 Luna | GPT-5.6 Sol | GPT-5.6 Luna |
|---|---|---|---|---|---|
| Coding deception rateAlignment · max effort · lower is better | 0.5% | 1.3% | 2.8% | 10.4% | 9.5% |
- Bold marks the best reported score in each row.
- OpenAI's internal evaluation uses tasks deliberately chosen to provoke dishonesty, so deception is much rarer in typical use.
- The announcement also covers broken search, reviewer bypass, warning circumvention and unauthorized interaction. See OpenAI's system card for those results.
Claude Sonnet 5.5 launch results
Reported by Anthropic on 28 Sept 2026 · exact values
| Benchmark | Claude Sonnet 5.5 | Claude Sonnet 5 | Claude Opus 5.5 | GPT-6 Sol |
|---|---|---|---|---|
| Terminal-Bench 4.0Agentic coding | 70.6% | 10.3% | 66.4% | – |
| FrontierCode 1.1 (main)Agentic coding · Sonnet 5.5 at max effort, 52.1% at xhigh | 46.2% | 42.4% | 54.4% | 49.3% |
| CursorBench 4.0Agentic coding | 55.5% | 34.1% | 57.8% | – |
| GDPval-AA v2.1Knowledge work | 1844 Elo | 1449 Elo | 1846 Elo | 1487 Elo |
| AA-Briefcase v1.1Knowledge work | 1811 Elo | 1359 Elo | 1822 Elo | 1483 Elo |
| Humanity's Last ExamMultidisciplinary reasoning · with tools | 64.5% | 54.9% | 67.7% | – |
| OSWorld 2.1Computer use · partial | 80.1% | 57% | 81.8% | – |
| ChartographyVisual chart recognition · no tools | 61.6% | 15.6% | 64.4% | 53.6% |
- Bold marks the best reported score in each row.
- Claude Opus 5.5's Terminal-Bench 4.0 score is at xhigh effort, its highest.
- OpenAI recently fixed a bug affecting GPT-6 Sol's image understanding; its GDPval-AA, AA-Briefcase and Chartography scores may predate the fix.
- A dash means the lab did not report a result for that model.
AutomationBench 1.0.6
Score against cost · reported by OpenAI on 22 Sept 2026 · exact values
AI agents are tested on end-to-end workflows using 47 tools across sales, marketing, operations, support, finance and HR.
- GPT-6 Luna
- GPT-5.6 Luna
- GPT-6 Sol
- GPT-5.6 Sol
- GPT-6 Astra
- Claude Opus 5
- Claude Fable 5.1
Show data table
| Model | Effort | Score | Cost per task |
|---|---|---|---|
| GPT-6 Luna | low | 1.2% | $0.006 |
| GPT-6 Luna | medium | 9.4% | $0.016 |
| GPT-6 Luna | high | 14.5% | $0.021 |
| GPT-6 Luna | xhigh | 12.6% | $0.025 |
| GPT-6 Luna | max | 20.7% | $0.037 |
| GPT-5.6 Luna | low | 1.8% | $0.01 |
| GPT-5.6 Luna | medium | 4.3% | $0.02 |
| GPT-5.6 Luna | high | 9.1% | $0.05 |
| GPT-5.6 Luna | xhigh | 12.9% | $0.06 |
| GPT-5.6 Luna | max | 17% | $0.07 |
| GPT-6 Sol | low | 21.2% | $0.19 |
| GPT-6 Sol | medium | 26.9% | $0.21 |
| GPT-6 Sol | high | 31.2% | $0.24 |
| GPT-6 Sol | xhigh | 33.2% | $0.27 |
| GPT-6 Sol | max | 32% | $0.34 |
| GPT-5.6 Sol | low | 11.7% | $0.31 |
| GPT-5.6 Sol | medium | 19.6% | $0.42 |
| GPT-5.6 Sol | high | 24.8% | $0.47 |
| GPT-5.6 Sol | xhigh | 26.3% | $0.54 |
| GPT-5.6 Sol | max | 28.8% | $0.67 |
| GPT-6 Astra | low | 30.3% | $1.08 |
| GPT-6 Astra | medium | 34.1% | $1.27 |
| GPT-6 Astra | high | 37.1% | $1.44 |
| GPT-6 Astra | xhigh | 39% | $1.50 |
| GPT-6 Astra | max | 41.4% | $1.73 |
| Claude Opus 5 | low | 20.4% | $1.64 |
| Claude Opus 5 | medium | 23.9% | $2.22 |
| Claude Opus 5 | high | 20.5% | $2.27 |
| Claude Opus 5 | xhigh | 25.3% | $2.71 |
| Claude Opus 5 | max | 26.9% | $3.05 |
| Claude Fable 5.1 | max | 31.4% | $2.45 |
- Exact values from the data labels on OpenAI's charts. OpenAI took competitor scores from publicly available reports.
- Claude Fable 5.1 ran with Claude Opus 5 as a fallback. OpenAI notes its cost omits the fallback runs (about 40% of tasks), so its real cost is higher.
Agents' Last Exam V1
Score against cost · reported by OpenAI on 22 Sept 2026 · exact values
AI agents are evaluated on long-horizon, economically valuable tasks spanning 55 sub-industries of professional computer work.
- GPT-6 Luna
- GPT-5.6 Luna
- GPT-6 Sol
- GPT-5.6 Sol
- GPT-6 Astra
- Claude Opus 5
- Claude Fable 5
Show data table
| Model | Effort | Score | Cost per task |
|---|---|---|---|
| GPT-6 Luna | low | 36.3% | $0.025 |
| GPT-6 Luna | medium | 46.8% | $0.11 |
| GPT-6 Luna | high | 43.6% | $0.11 |
| GPT-6 Luna | xhigh | 47.9% | $0.11 |
| GPT-6 Luna | max | 50.9% | $0.15 |
| GPT-5.6 Luna | low | 31% | $0.18 |
| GPT-5.6 Luna | medium | 38.5% | $0.38 |
| GPT-5.6 Luna | high | 46.1% | $0.84 |
| GPT-5.6 Luna | xhigh | 49.4% | $1.55 |
| GPT-5.6 Luna | max | 50.4% | $2.57 |
| GPT-6 Sol | low | 48.7% | $0.86 |
| GPT-6 Sol | medium | 53.1% | $1.27 |
| GPT-6 Sol | high | 52.6% | $1.53 |
| GPT-6 Sol | xhigh | 55.4% | $1.67 |
| GPT-6 Sol | max | 56.4% | $2.93 |
| GPT-5.6 Sol | low | 45.1% | $1.63 |
| GPT-5.6 Sol | medium | 52.1% | $3.41 |
| GPT-5.6 Sol | high | 52.4% | $3.79 |
| GPT-5.6 Sol | xhigh | 53.6% | $5.08 |
| GPT-5.6 Sol | max | 52.8% | $7.13 |
| GPT-6 Astra | low | 53.4% | $3.07 |
| GPT-6 Astra | medium | 57.6% | $4.10 |
| GPT-6 Astra | high | 57.8% | $4.64 |
| GPT-6 Astra | xhigh | 58.3% | $5.40 |
| GPT-6 Astra | max | 59.3% | $6.23 |
| Claude Opus 5 | low | 51.9% | $4.06 |
| Claude Opus 5 | medium | 53% | $5.29 |
| Claude Opus 5 | high | 55.9% | $7.29 |
| Claude Opus 5 | xhigh | 55.5% | $10 |
| Claude Opus 5 | max | 52.7% | $9.76 |
| Claude Fable 5 | xhigh | 48.7% | $28.6 |
| Claude Fable 5 | adaptive | 41.3% | $15.2 |
- Exact values from the data labels on OpenAI's charts. OpenAI took competitor scores from publicly available reports.
- Claude Fable 5 ran with Claude Opus 4.8 as a fallback.
Factual error rate on difficult prompts
Answers with any factual error against cost · lower is better · reported by OpenAI on 22 Sept 2026 · exact values
OpenAI's internal evaluation on de-identified ChatGPT conversations where users had flagged a factual error from a prior model.
- GPT-6 Luna
- GPT-5.6 Luna
- GPT-6 Sol
- GPT-5.6 Sol
- GPT-6 Astra
Show data table
| Model | Effort | Error rate | Cost per task |
|---|---|---|---|
| GPT-6 Luna | low | 27.7% | $0.0024 |
| GPT-6 Luna | medium | 17.5% | $0.0033 |
| GPT-6 Luna | high | 12.5% | $0.0045 |
| GPT-6 Luna | xhigh | 10.2% | $0.0062 |
| GPT-6 Luna | max | 7.6% | $0.012 |
| GPT-5.6 Luna | low | 36.8% | $0.0045 |
| GPT-5.6 Luna | medium | 24.7% | $0.0062 |
| GPT-5.6 Luna | high | 17.3% | $0.011 |
| GPT-5.6 Luna | xhigh | 12.2% | $0.015 |
| GPT-5.6 Luna | max | 12% | $0.022 |
| GPT-6 Sol | low | 11.4% | $0.05 |
| GPT-6 Sol | medium | 6.9% | $0.069 |
| GPT-6 Sol | high | 5.1% | $0.099 |
| GPT-6 Sol | xhigh | 4.5% | $0.13 |
| GPT-6 Sol | max | 4.6% | $0.18 |
| GPT-5.6 Sol | low | 19.4% | $0.10 |
| GPT-5.6 Sol | medium | 15% | $0.15 |
| GPT-5.6 Sol | high | 10.8% | $0.23 |
| GPT-5.6 Sol | xhigh | 8.4% | $0.39 |
| GPT-5.6 Sol | max | 8.5% | $0.87 |
| GPT-6 Astra | low | 6.3% | $0.24 |
| GPT-6 Astra | medium | 4.4% | $0.31 |
| GPT-6 Astra | high | 3.9% | $0.48 |
| GPT-6 Astra | xhigh | 4% | $0.60 |
| GPT-6 Astra | max | 3.9% | $0.79 |
- Exact values from the data labels on OpenAI's charts. OpenAI took competitor scores from publicly available reports.
- These prompts were chosen because they caused errors before, so error rates are far higher than in typical use.
FrontierCode 1.1, main set
Score against cost · reported by OpenAI on 22 Sept 2026 · exact values
AI agents write code graded on correctness and mergeability: test quality, scope discipline, code style and codebase standards.
- GPT-6 Luna
- GPT-5.6 Luna
- GPT-6 Sol
- GPT-5.6 Sol
- GPT-6 Astra
- Claude Opus 5
- Claude Fable 5.1
Show data table
| Model | Effort | Score | Cost per task |
|---|---|---|---|
| GPT-6 Luna | low | 25.7% | $0.021 |
| GPT-6 Luna | medium | 35.5% | $0.053 |
| GPT-6 Luna | high | 37.3% | $0.067 |
| GPT-6 Luna | xhigh | 37.1% | $0.073 |
| GPT-6 Luna | max | 42.4% | $0.11 |
| GPT-5.6 Luna | low | 15.4% | $0.06 |
| GPT-5.6 Luna | medium | 25.7% | $0.13 |
| GPT-5.6 Luna | high | 35.9% | $0.23 |
| GPT-5.6 Luna | xhigh | 38.9% | $0.31 |
| GPT-5.6 Luna | max | 39.8% | $0.37 |
| GPT-6 Sol | low | 37.3% | $0.45 |
| GPT-6 Sol | medium | 45.9% | $0.80 |
| GPT-6 Sol | high | 47.7% | $1.08 |
| GPT-6 Sol | xhigh | 48.4% | $1.37 |
| GPT-6 Sol | max | 49.3% | $2.14 |
| GPT-5.6 Sol | low | 35.4% | $1.89 |
| GPT-5.6 Sol | medium | 39.9% | $2.69 |
| GPT-5.6 Sol | high | 45.1% | $3.48 |
| GPT-5.6 Sol | xhigh | 46.8% | $4.15 |
| GPT-5.6 Sol | max | 47.5% | $5.19 |
| GPT-6 Astra | low | 45.3% | $1.70 |
| GPT-6 Astra | medium | 48.8% | $2.43 |
| GPT-6 Astra | high | 50.9% | $3.01 |
| GPT-6 Astra | xhigh | 50.6% | $3.28 |
| GPT-6 Astra | max | 53.3% | $4.59 |
| Claude Opus 5 | low | 41.9% | $2.68 |
| Claude Opus 5 | medium | 53.4% | $4.31 |
| Claude Opus 5 | high | 48% | $7.24 |
| Claude Opus 5 | xhigh | 43.6% | $9.14 |
| Claude Opus 5 | max | 48% | $11.4 |
| Claude Fable 5.1 | low | 49.8% | $2.38 |
| Claude Fable 5.1 | medium | 50.9% | $3.28 |
| Claude Fable 5.1 | high | 50.3% | $5.27 |
| Claude Fable 5.1 | xhigh | 48.7% | $9.27 |
| Claude Fable 5.1 | max | 50.3% | $12.8 |
- Exact values from the data labels on OpenAI's charts. OpenAI took competitor scores from publicly available reports.
DeepSWE 1.1
Score against cost · reported by OpenAI on 22 Sept 2026 · exact values
AI agents solve original, long-horizon software engineering tasks in real codebases.
- GPT-6 Luna
- GPT-5.6 Luna
- GPT-6 Sol
- GPT-5.6 Sol
- GPT-6 Astra
- Claude Opus 5
- Claude Fable 5
Show data table
| Model | Effort | Score | Cost per task |
|---|---|---|---|
| GPT-6 Luna | low | 2.4% | $0.0057 |
| GPT-6 Luna | medium | 44.5% | $0.052 |
| GPT-6 Luna | high | 59.3% | $0.084 |
| GPT-6 Luna | xhigh | 61.3% | $0.11 |
| GPT-6 Luna | max | 66.6% | $0.22 |
| GPT-5.6 Luna | low | 1.2% | $0.011 |
| GPT-5.6 Luna | medium | 9.3% | $0.031 |
| GPT-5.6 Luna | high | 42.4% | $0.13 |
| GPT-5.6 Luna | xhigh | 56.2% | $0.27 |
| GPT-5.6 Luna | max | 62.2% | $0.53 |
| GPT-6 Sol | low | 37.2% | $0.16 |
| GPT-6 Sol | medium | 56.6% | $0.38 |
| GPT-6 Sol | high | 65.3% | $0.64 |
| GPT-6 Sol | xhigh | 66.6% | $1.00 |
| GPT-6 Sol | max | 68.8% | $2.74 |
| GPT-5.6 Sol | low | 45.4% | $0.82 |
| GPT-5.6 Sol | medium | 61.1% | $1.42 |
| GPT-5.6 Sol | high | 69.4% | $2.66 |
| GPT-5.6 Sol | xhigh | 70.7% | $3.60 |
| GPT-5.6 Sol | max | 72.7% | $6.46 |
| GPT-6 Astra | low | 67% | $1.60 |
| GPT-6 Astra | medium | 72.8% | $3.08 |
| GPT-6 Astra | high | 73.2% | $3.92 |
| GPT-6 Astra | xhigh | 74.1% | $4.43 |
| GPT-6 Astra | max | 73.2% | $7.50 |
| Claude Opus 5 | low | 58.1% | $1.66 |
| Claude Opus 5 | medium | 68.9% | $3.29 |
| Claude Opus 5 | high | 72.8% | $6.08 |
| Claude Opus 5 | xhigh | 73.2% | $9.07 |
| Claude Opus 5 | max | 73.7% | $11.8 |
| Claude Fable 5 | low | 59.6% | $3.76 |
| Claude Fable 5 | medium | 65.4% | $6.09 |
| Claude Fable 5 | high | 68.6% | $9.18 |
| Claude Fable 5 | xhigh | 69.9% | $13.4 |
| Claude Fable 5 | max | 69.7% | $21.6 |
- Exact values from the data labels on OpenAI's charts. OpenAI took competitor scores from publicly available reports.
- OpenAI used Claude Fable 5 scores because Fable 5.1 scores were unavailable.
OSWorld 2.0, offline set
Partial reward against cost · release v2026.08.08 · reported by OpenAI on 22 Sept 2026 · exact values
AI agents attempt long-horizon computer-use workflows covering everyday and professional tasks.
- GPT-6 Luna
- GPT-5.6 Luna
- GPT-6 Sol
- GPT-5.6 Sol
- GPT-6 Astra
- Claude Opus 5
Show data table
| Model | Effort | Score | Cost per task |
|---|---|---|---|
| GPT-6 Luna | low | 8.3% | $0.03 |
| GPT-6 Luna | medium | 31.5% | $0.062 |
| GPT-6 Luna | high | 41.4% | $0.12 |
| GPT-6 Luna | xhigh | 46.7% | $0.16 |
| GPT-6 Luna | max | 52.7% | $0.27 |
| GPT-5.6 Luna | low | 12% | $0.019 |
| GPT-5.6 Luna | medium | 22.7% | $0.052 |
| GPT-5.6 Luna | high | 35.9% | $0.16 |
| GPT-5.6 Luna | xhigh | 48% | $0.36 |
| GPT-5.6 Luna | max | 52.7% | $0.49 |
| GPT-6 Sol | low | 43.9% | $0.97 |
| GPT-6 Sol | medium | 54% | $1.32 |
| GPT-6 Sol | high | 58.3% | $1.64 |
| GPT-6 Sol | xhigh | 60.5% | $2.21 |
| GPT-6 Sol | max | 64.4% | $3.25 |
| GPT-5.6 Sol | low | 29.8% | $0.91 |
| GPT-5.6 Sol | medium | 49.7% | $2.73 |
| GPT-5.6 Sol | high | 56.5% | $4.46 |
| GPT-5.6 Sol | xhigh | 60.9% | $5.93 |
| GPT-5.6 Sol | max | 66.2% | $7.71 |
| GPT-6 Astra | low | 62.2% | $2.55 |
| GPT-6 Astra | medium | 69.3% | $5.10 |
| GPT-6 Astra | high | 70% | $6.60 |
| GPT-6 Astra | xhigh | 71.3% | $7.17 |
| GPT-6 Astra | max | 73.5% | $9.07 |
| Claude Opus 5 | low | 55.2% | $9.88 |
| Claude Opus 5 | medium | 60.3% | $12.7 |
| Claude Opus 5 | high | 65.9% | $15.9 |
| Claude Opus 5 | xhigh | 70.1% | $23.9 |
| Claude Opus 5 | max | 70.2% | $24.1 |
- Exact values from the data labels on OpenAI's charts. OpenAI took competitor scores from publicly available reports.
- Claude Opus 5 values match the official OSWorld 2.0 leaderboard (osworld-v2.xlang.ai).
FrontierCode v1.1, main set
Accuracy against cost · reported by Anthropic on 28 Sept 2026 · exact values
Measures whether an agent's code changes would be merged.
- Claude Sonnet 5.5
- Claude Opus 5.5
- Claude Sonnet 5
- GPT-6 Sol
Show data table
| Model | Effort | Score | Cost per task |
|---|---|---|---|
| Claude Sonnet 5.5 | low | 29.3% | $0.19 |
| Claude Sonnet 5.5 | medium | 36.5% | $0.24 |
| Claude Sonnet 5.5 | high | 49.4% | $0.42 |
| Claude Sonnet 5.5 | xhigh | 52.1% | $1.59 |
| Claude Sonnet 5.5 | max | 46.2% | $20.8 |
| Claude Opus 5.5 | low | 47.3% | $0.40 |
| Claude Opus 5.5 | medium | 54.6% | $0.80 |
| Claude Opus 5.5 | high | 54% | $1.09 |
| Claude Opus 5.5 | xhigh | 51.4% | $2.25 |
| Claude Opus 5.5 | max | 54.4% | $6.19 |
| Claude Sonnet 5 | low | 28.7% | $2.39 |
| Claude Sonnet 5 | medium | 35.2% | $3.81 |
| Claude Sonnet 5 | high | 39.4% | $6.10 |
| Claude Sonnet 5 | xhigh | 42.7% | $10.1 |
| Claude Sonnet 5 | max | 42.4% | $17.1 |
| GPT-6 Sol | low | 37.3% | $0.43 |
| GPT-6 Sol | medium | 45.9% | $0.77 |
| GPT-6 Sol | high | 47.7% | $1.04 |
| GPT-6 Sol | xhigh | 48.4% | $1.32 |
| GPT-6 Sol | max | 49.3% | $2.07 |
- Exact values from the data published with Anthropic's announcement.
AA-Briefcase v1.1
Elo against cost · reported by Anthropic on 28 Sept 2026 · exact values
Artificial Analysis's benchmark of long-horizon knowledge work.
- Claude Sonnet 5.5
- Claude Opus 5.5
- Claude Sonnet 5
- GPT-6 Sol
Show data table
| Model | Effort | Elo | Cost per task |
|---|---|---|---|
| Claude Sonnet 5.5 | low | 1264 Elo | $0.87 |
| Claude Sonnet 5.5 | medium | 1461 Elo | $1.64 |
| Claude Sonnet 5.5 | high | 1634 Elo | $3.95 |
| Claude Sonnet 5.5 | xhigh | 1746 Elo | $9.63 |
| Claude Sonnet 5.5 | max | 1811 Elo | $29.2 |
| Claude Opus 5.5 | low | 1285 Elo | $1.15 |
| Claude Opus 5.5 | medium | 1642 Elo | $4.40 |
| Claude Opus 5.5 | high | 1705 Elo | $6.27 |
| Claude Opus 5.5 | xhigh | 1780 Elo | $12.3 |
| Claude Opus 5.5 | max | 1822 Elo | $21 |
| Claude Sonnet 5 | low | 923 Elo | $0.82 |
| Claude Sonnet 5 | medium | 1056 Elo | $1.73 |
| Claude Sonnet 5 | high | 1177 Elo | $3.76 |
| Claude Sonnet 5 | xhigh | 1274 Elo | $7.56 |
| Claude Sonnet 5 | max | 1359 Elo | $14.4 |
| GPT-6 Sol | low | 905 Elo | $0.12 |
| GPT-6 Sol | medium | 1142 Elo | $0.34 |
| GPT-6 Sol | high | 1289 Elo | $0.63 |
| GPT-6 Sol | xhigh | 1364 Elo | $1.19 |
| GPT-6 Sol | max | 1483 Elo | $2.67 |
- Exact values from the data published with Anthropic's announcement.
- Artificial Analysis ran Sonnet 5.5 on a pre-release deployment with a since-fixed structured output bug, which may slightly understate its score.