OpenAI · Benchmarks

GPT-6.1 Sol benchmarks

GPT-6.1 Sol has 4 published scores in this dataset, from a OpenAI release dated 2026-09-29. Its composite index is 86.5, which places it 11th of 22 ranked models. Its strongest area is knowledge (index 98.0) and its weakest is coding (index 79.4). Its best placing is on Humanity's Last Exam, where its 52.9 ranks 6th of 23 models with a published score.

Closed APIOfficial page

Category profile

Index 0–100: each score relative to the best published score on that test.

ReasoningCodingAgenticKnowledge
Reasoning
82.21 test · not ranked
Coding
79.41 test · not ranked
Agentic
—no data
Knowledge
98.01 test · not ranked

Model facts

Lab
OpenAI
Type
Closed API
Released
2026-09-29
Context
1.05M
API price / 1M tokens
$2 in · $10 out

GPT-6.1 Sol pricing and open alternatives

GPT-6.1 Sol is only available through OpenAI's API, so it cannot be self-hosted; it costs $2 per million input tokens and $10 per million output tokens.

Open-weight alternatives

The highest-ranked open models, which you can run on your own GPU.

GPT-6.1 Sol speed and pricing

Measured figures link to their source; estimates are labelled.

API output speed
91 tok/sArtificial Analysis median · Artificial Analysis
Time to first token
2.71 sOpenRouter model page provider stats
API price per 1M tokens
$2.00 in · $10.00 outlab list price · OpenAI API pricing docs
Compare speed and price across all models

Score by test

Rank is among every model with a published score on that test.

Humanity's Last Exam52.9%Humanity's Last Exam, no tools; AA independent run (Max)#6 of 23 · 11.5 behind Claude Opus 5.5Terminal-Bench 4.056.1%Terminal-Bench 4.0; AA independent run (Max)#6 of 16 · 14.5 behind Claude Sonnet 5.5MMMU-Pro86.0%MMMU-Pro (not original MMMU); AA independent run (Max)#3 of 9 · 1.7 behind Claude Opus 5.5LMArena Text Elo1481LMArena Text, Overall; snapshot Oct 27, 2026; GPT-6.1 Sol (Max); +/-7#7 of 21 · 39 behind Gemini 4 Argon

Nearby in the composite ranking

Models with the closest composite index.

  1. 1Tencent Hy4 Preview89.9
  2. 2Muse Spark Open88.0
  3. 3Reflection Beam 1.087.0
  4. 4GPT-6.1 Sol86.5
  5. 5Qwen3.6 27B85.8
  6. 6Qwen3.8 27B83.2
  7. 7GLM 5.382.7

Head-to-head comparisons

Side-by-side pages built from the tests both models report.

Sources

ModelTestScoreSettingSource
GPT-6.1 SolHumanity's Last Exam52.9Humanity's Last Exam, no tools; AA independent run (Max)Artificial Analysis
GPT-6.1 SolTerminal-Bench 4.056.1Terminal-Bench 4.0; AA independent run (Max)Artificial Analysis
GPT-6.1 SolMMMU-Pro86.0MMMU-Pro (not original MMMU); AA independent run (Max)Artificial Analysis
GPT-6.1 SolLMArena Text Elo1481LMArena Text, Overall; snapshot Oct 27, 2026; GPT-6.1 Sol (Max); +/-7LMArena (arena.ai) Text leaderboard

Scores are published results from model cards, lab reports, and public leaderboards, each linked to its source. Settings such as thinking mode or test version differ between sources and are shown next to each score. OpenLLM Buddy catalog models are uncensored fine-tunes; their scores are those of the official base model. Data collected 2026-10-30. How the index works