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GPT-6.1 Sol vs GPT-6 Sol
GPT-6.1 Sol scores higher than GPT-6 Sol on all 5 public leaderboards that rate both. On the ArtificialWatch Index, which takes the median of each model's percentile across the boards that score it, GPT-6.1 Sol is at 88.2 and GPT-6 Sol at 70.6 (out of 100).
Scores as published by each board; table composed October 8, 2026.
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Leaderboard by leaderboard
| Board | GPT-6.1 Sol | GPT-6 Sol | Higher |
|---|---|---|---|
| LMArena Elo (community votes) | 1,755.4 | 1,688.2 | GPT-6.1 Sol |
| LiveBench global average (0-100) | 81.6 | 79.2 | GPT-6.1 Sol |
| SimpleBench AVG@5 % (private set) | 82.9 | 73.1 | GPT-6.1 Sol |
| Vals AI Vals Index accuracy % · weighted finance + coding tasks | 61.2 | 57.5 | GPT-6.1 Sol |
| Artificial Analysis intelligence index · measured runs only | 51.8 | 47.6 | GPT-6.1 Sol |
Raw scores are each board's own scale, so compare within a row, not across rows. Full table: the bench index.
For coding
On the ArtificialWatch coding index, GPT-6.1 Sol is at 82.4 (#6 of 35) and GPT-6 Sol at 47.1 (#18). GPT-6.1 Sol scores higher on all 3 coding boards that rate both.
| Coding board | GPT-6.1 Sol | GPT-6 Sol |
|---|---|---|
| LMArena · Coding | 1,545.3 | 1,518.7 |
| LiveBench · Coding | 68.8 | 67.3 |
| Vals Vibe Code Bench | 88.9 | 87.8 |
GPT-6.1 Sol at a glance
- Developer
- OpenAI
- Status
- Live since September 29, 2026
- API price
- $2 input / $10 output per 1M tokens · OpenAI, gpt-6.1-sol
- Context window
- 1.05M tokens
Live — Sep 29, launched at DevDay · Ultrafast tier open to all API users Oct 8 at $12/$60 (six times standard, OpenAI's pricing page) · $2/$10 per 1M, cached input $0.10 (half of GPT-6 Sol's) · in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise and Edu, not yet in Chat · OpenAI says it nearly matches GPT-6 Astra on agentic coding, computer use and professional work at a fifth of Astra's price · Artificial Analysis Intelligence Index 52 at max effort, #10 of 221 reasoning models (read Sep 29) · 1.05M ctx as OpenRouter lists it, which also carries gpt-6.1-sol-pro (the same model in a pro reasoning mode) · Ultrafast (up to 8x faster in Codex) 'in the coming days' · our sweep read gpt-6.1-sol on OpenAI's public model docs at 17:23 UTC and fired at 17:24, about 20 minutes after the keynote.
GPT-6.1 Sol Ultrafast opens to every API user at $12 / $60, six times standard Sol
2026-10-08 · OpenAI's Ultrafast tier now covers GPT-6.1 Sol for every API user. OpenAI's API docs, read on October 8, say Ultrafast mode is "broadly available" for GPT-6 Astra and GPT-6.1 Sol and "available to all API users", with preview access for GPT-5.6 Sol.
GPT-6.1 Sol ships at DevDay at $2/$10, and OpenAI says it nearly matches Astra
2026-09-29 · OpenAI launched GPT-6.1 Sol at its DevDay keynote on September 29. It is available now in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise and Edu users, not yet in Chat, and in the API as gpt-6.1-sol.
GPT-6 Sol at a glance
- Developer
- OpenAI
- Status
- Live since September 22, 2026
- API price
- $2 input / $10 output per 1M tokens · OpenAI, gpt-6-sol
- Context window
- 1.05M tokens
Live — Sep 22, in the API, ChatGPT and Codex the same day · the everyday tier under Astra · $2/$10 per 1M, cached input $0.20 — from our own read of OpenAI's GPT-6.1 Sol launch page, which calls 6.1 Sol's $2/$10 'the same sticker as GPT-6 Sol' and its $0.10 cached rate half of GPT-6 Sol's · models.dev lists gpt-6-sol on OpenAI's own API (read Sep 24).
GPT-6.1 Sol vs GPT-6 Sol: quick answers
Which is better, GPT-6.1 Sol or GPT-6 Sol?
It depends on what you measure. GPT-6.1 Sol scores higher than GPT-6 Sol on all 5 public leaderboards that rate both. GPT-6.1 Sol's widest lead is on SimpleBench. On the ArtificialWatch Index, which takes the median of each model's percentile across the boards that score it, GPT-6.1 Sol is at 88.2 and GPT-6 Sol at 70.6 (out of 100).
Which is newer, GPT-6.1 Sol or GPT-6 Sol?
GPT-6.1 Sol. It went live on September 29, 2026, 7 days after GPT-6 Sol (September 22, 2026).
Which is cheaper, GPT-6.1 Sol or GPT-6 Sol?
They cost the same per token. On each vendor's own API, GPT-6.1 Sol is $2 input / $10 output per million tokens and GPT-6 Sol is $2 input / $10 output per million tokens. GPT-6.1 Sol's rate rises for prompts over 272K tokens; GPT-6 Sol's rate rises for prompts over 272K tokens. Prices as published in the models.dev catalog, as of 2026-10-08.
Which has the bigger context window, GPT-6.1 Sol or GPT-6 Sol?
Neither. Both take 1.05M tokens.
How do GPT-6.1 Sol and GPT-6 Sol compare for coding?
On the ArtificialWatch coding index, GPT-6.1 Sol is at 82.4 (#6 of 35) and GPT-6 Sol at 47.1 (#18). GPT-6.1 Sol scores higher on all 3 coding boards that rate both.
Who makes GPT-6.1 Sol and GPT-6 Sol?
Both are from OpenAI.
Where do these numbers come from?
Each score is the leaderboard's own published figure, read by ArtificialWatch (table composed October 8, 2026). Boards measure different things, so raw scores are only comparable within a row.
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Also: the bench index · API pricing · the wire