GPT-6.1 Sol
- Input price
- $2.00
- Per 1 million tokens (USD)
- Output price
- $10.00
- Per 1 million tokens (USD)
- Effort levels
- 5total
- Default: Med
- Benchmark results
- 15total
- Benchmark types: 15
Model information
- API model ID
- gpt-6.1-sol
- release date
- 2026-09-29
- effort
- Low / Med (default) / High / Xhigh / Max
- Effort source
- Based on reasoning effort on the OpenAI model page (developers.openai.com/api/docs/models/gpt-6.1-sol).
- Claude Code
- unavailable
- Codex
- available
- Availability notes
- Codex desktop app / CLI / IDE extension. Default 500K context in Codex/ChatGPT Work. Claude Code's official model list (code.claude.com/docs/en/model-config alias table) contains only Anthropic models, so claudeCode is false (connections via a gateway are not counted as official options).
- Availability source
- https://learn.chatgpt.com/docs/models
Price (USD per 1 million tokens)
Prices do not vary by effort; token consumption does.
| input | $2.00 |
|---|---|
| output | $10.00 |
| cache read | $0.10 |
| cache write | $2.50 |
Prompts with more than 272K input tokens are priced at 2x input and cache rates and 1.5x output for the full request. Batch/Flex 50%, Fast 2x. Ultrafast is 6x.
| gpt-6.1-sol | $2.00 | $10.00 | $0.10 | $2.50 | $5.00 | $4.00 | $15.00 | $0.20 | $5.00 | $10.00 |Benchmark results
| Benchmark | effort | Score | Source cost (metric) | measured/reported by | source | Conditions and extraction method |
|---|---|---|---|---|---|---|
| Terminal-Bench-Science 0.1Max | Max | 57.0% | — | OpenAI | Claude Haiku 5.5 System Cardofficial · Retrieved 2026-11-14 | Vendor-reported value. Anthropic’s body text explicitly states OpenAI reported and max thinking effort. Distinguished from Anthropic’s internal runs and public leaderboard values. Cost not stated.transcribed from textSource excerpt57.0%Location §8.5 “Terminal-Bench-Science 0.1”, body text, GPT-6.1 Sol under OpenAI reported |
| GDPval-AA v2.1not stated | not stated | 1,609 | — | Artificial Analysis | Claude Fable 5.2 and Claude Mythos 5.2 System Cardofficial · Retrieved 2026-11-14 | Vendor-reported value. Anthropic publishes values independently measured by Artificial Analysis. No effort is specified for GPT-6.1 Sol (Fable 5.2’s max is not applied). Cost not stated.transcribed from textSource excerpt1609Location §8.14.3, body text, GPT-6.1 Sol Elo |
| AA-Briefcase v1.1(Elo)not stated | not stated | 1,555 | — | Artificial Analysis | Claude Fable 5.2 and Claude Mythos 5.2 System Cardofficial · Retrieved 2026-11-14 | Vendor-reported value. Anthropic publishes values independently measured by Artificial Analysis. No effort is specified for GPT-6.1 Sol (Fable 5.2’s max is not applied). Cost not stated.transcribed from textSource excerpt1555Location §8.14.4, body text, GPT-6.1 Sol Elo |
| HealthBench Professional (length-adjusted score)not stated | not stated | 64.2 | — | OpenAI | Addendum to GPT-6 Astra System Card: GPT-6.1 Terraofficial · Retrieved 2026-11-14 | Vendor-reported value. Self-reported by OpenAI. effort not stated. length-adjusted score. Parentheses contain the unadjusted score and mean response length in characters; only the leading value is used as score. Cost not stated.transcribed from tableSource excerpt64.2 (67.2, 3038)Location §5.1 Table 5, HealthBench Professional length-adjusted row, gpt-6-1-sol column |
| HealthBench Hard (length-adjusted score)not stated | not stated | 36.2 | — | OpenAI | Addendum to GPT-6 Astra System Card: GPT-6.1 Terraofficial · Retrieved 2026-11-14 | Vendor-reported value. Self-reported by OpenAI. effort not stated. length-adjusted score. Parentheses contain the unadjusted score and mean response length in characters; only the leading value is used as score. Cost not stated.transcribed from tableSource excerpt36.2 (33.4, 1646)Location §5.1 Table 5, HealthBench Hard length-adjusted row, gpt-6-1-sol column |
| GPQA DiamondMax | Max | 95.4% | — | Epoch AI | Epoch AI, Capabilities & benchmarking (benchmark_data.zip, gpqa_diamond.csv) CC BY 4.0third-party · Retrieved 2026-11-12 | Run by Epoch AI (third-party measurement). Source label "GPT-6.1 Sol (max)". effort is indicated by the suffix _max in Epoch's Model version. Data retrieved 2026-11-12.transcribed from tableSource excerptgpqa_diamond.csv: Model version=gpt-6.1-sol_max, Best score (across scorers)=0.9539141414141414, stderr=0.013780748450364692, Started at=2026-09-29T22:00:34.000Z |
| FrontierMath Tiers 1-3(v2)Max | Max | 93.7% | — | Epoch AI | Epoch AI, Capabilities & benchmarking (benchmark_data.zip, frontiermath_tiers_1_3_v2.csv) CC BY 4.0third-party · Retrieved 2026-11-12 | Run by Epoch AI (third-party measurement). Source label "GPT-6.1 Sol (max)". effort is indicated by the suffix _max in Epoch's Model version. Data retrieved 2026-11-12.transcribed from tableSource excerptfrontiermath_tiers_1_3_v2.csv: Model version=gpt-6.1-sol_max, Best score (across scorers)=0.9368421052631579, stderr=0.014434038295343787, Started at=2026-09-29T22:00:34.000Z |
| FrontierMath Tier 4(v2)Max | Max | 100.0% | — | Epoch AI | Epoch AI, Capabilities & benchmarking (benchmark_data.zip, frontiermath_tier_4_v2.csv) CC BY 4.0third-party · Retrieved 2026-11-12 | Run by Epoch AI (third-party measurement). Source label "GPT-6.1 Sol (max)". effort is indicated by the suffix _max in Epoch's Model version. Data retrieved 2026-11-12.transcribed from tableSource excerptfrontiermath_tier_4_v2.csv: Model version=gpt-6.1-sol_max, Best score (across scorers)=1.0, stderr=0.0, Started at=2026-09-29T22:00:34.000Z |
| OTIS Mock AIME 2024-2025Max | Max | 100.0% | — | Epoch AI | Epoch AI, Capabilities & benchmarking (benchmark_data.zip, otis_mock_aime_2024_2025.csv) CC BY 4.0third-party · Retrieved 2026-11-12 | Run by Epoch AI (third-party measurement). Source label "GPT-6.1 Sol (max)". effort is indicated by the suffix _max in Epoch's Model version. Data retrieved 2026-11-12.transcribed from tableSource excerptotis_mock_aime_2024_2025.csv: Model version=gpt-6.1-sol_max, Best score (across scorers)=1.0, stderr=0.0, Started at=2026-09-29T22:00:34.000Z |
| SimpleQA VerifiedMax | Max | 73.9% | — | Epoch AI | Epoch AI, Capabilities & benchmarking (benchmark_data.zip, simpleqa_verified.csv) CC BY 4.0third-party · Retrieved 2026-11-12 | Run by Epoch AI (third-party measurement). Source label "GPT-6.1 Sol (max)". effort is indicated by the suffix _max in Epoch's Model version. Data retrieved 2026-11-12.transcribed from tableSource excerptsimpleqa_verified.csv: Model version=gpt-6.1-sol_max, Best score (across scorers)=0.739, stderr=0.013895037677965185, Started at=2026-09-29T22:00:34.000Z |
| Chess Puzzles(Epoch AI)Max | Max | 68.0% | — | Epoch AI | Epoch AI, Capabilities & benchmarking (benchmark_data.zip, chess_puzzles.csv) CC BY 4.0third-party · Retrieved 2026-11-12 | Run by Epoch AI (third-party measurement). Source label "GPT-6.1 Sol (max)". effort is indicated by the suffix _max in Epoch's Model version. Data retrieved 2026-11-12.transcribed from tableSource excerptchess_puzzles.csv: Model version=gpt-6.1-sol_max, Best score (across scorers)=0.68, stderr=0.04688261722621507, Started at=2026-10-13T12:40:12.000Z |
| MirrorCodeMax | Max | 61.1% | — | Epoch AI | Epoch AI, Capabilities & benchmarking (benchmark_data.zip, mirrorcode.csv) CC BY 4.0third-party · Retrieved 2026-11-12 | Run by Epoch AI (third-party measurement). Source label "GPT-6.1 Sol (max)". effort is indicated by the suffix _max in Epoch's Model version. Data retrieved 2026-11-12.transcribed from tableSource excerptmirrorcode.csv: Model version=gpt-6.1-sol_max, Best score (across scorers)=0.6111111111111112, stderr=0.11346708571848581, Started at=2026-10-05T18:36:30.000Z |
| Epoch Capabilities Index(ECI)not stated | not stated | 168.48 | — | Epoch AI | Epoch AI, epoch_capabilities_index/eci_scores.csv (CC BY 4.0)third-party · Retrieved 2026-11-12 | A per-model metric that combines results across multiple benchmarks and multiple efforts (not per effort). Calculated by Epoch AI.transcribed from tableSource excerpteci_scores.csv: Model=GPT-6.1 Sol, eci=168.48, eci_ci_low=165.49, eci_ci_high=171.8 |
| LMArena Text (style control, overall)Max | Max | 1,482 | — | LMArena | lmarena-ai/leaderboard-dataset text_style_control/latest-00000-of-00001.parquet (CC BY 4.0)third-party · Retrieved 2026-11-12 | Human head-to-head votes (Bradley-Terry). Source label "GPT-6.1 Sol (Max)" (effort is in parentheses in the label). Release date 2026-11-09.transcribed from tableSource excerptmodel_name=GPT-6.1 Sol (Max), rating=1482.07, rating_lower=1475.7, rating_upper=1488.4, vote_count=12952, rank=27, category=overall, leaderboard_publish_date=2026-11-09 |
| LMArena Text Coding (without style control)Max | Max | 1,486 | — | LMArena | lmarena-ai/leaderboard-dataset text/latest-00000-of-00001.parquet (CC BY 4.0)third-party · Retrieved 2026-11-12 | Human head-to-head votes (Bradley-Terry). Source label "GPT-6.1 Sol (Max)" (effort is in parentheses in the label). Release date 2026-11-09.transcribed from tableSource excerptmodel_name=GPT-6.1 Sol (Max), rating=1486.04, rating_lower=1473.8, rating_upper=1498.3, vote_count=2732, rank=45, category=coding, leaderboard_publish_date=2026-11-09 |
Related rankings
- Overall ranking (performance first)
- Terminal-Bench-Science 0.1 ranking by metric
- GDPval-AA v2.1 ranking by metric
- AA-Briefcase v1.1(Elo) ranking by metric
- HealthBench Professional (length-adjusted score) ranking by metric
- HealthBench Hard (length-adjusted score) ranking by metric
- GPQA Diamond ranking by metric
- FrontierMath Tiers 1-3(v2) ranking by metric
- FrontierMath Tier 4(v2) ranking by metric
- OTIS Mock AIME 2024-2025 ranking by metric
- SimpleQA Verified ranking by metric
- Chess Puzzles(Epoch AI) ranking by metric
- MirrorCode ranking by metric
- Epoch Capabilities Index(ECI) ranking by metric
- LMArena Text (style control, overall) ranking by metric
- LMArena Text Coding (without style control) ranking by metric
- Recommendations by role