GPT-6.1 Sol was released by OpenAI on September 29, 2026, as a flagship model in the GPT line.
What changed
One week after GPT-6 Sol, it scores 7 points higher on computer-use tasks and 4 points higher on the all-round intelligence index at the same $2 / $10 price.
Compared with GPT-6 Sol · the model it replaces
Completes 7 in 10 tasks when operating a computer on its own
OSWorld 2.0 — using real desktop apps to finish tasks
71.4%
▲ up from 64.4% · +7 points · both at max effort
Scores 4 points higher on the all-round intelligence index
Artificial Analysis Intelligence Index v4.3.2 — one score averaging 10 hard tests
52
▲ up from 48 · +4 points · both at max effort
Costs the same as the model it replaces
Price per 1M tokens — what developers pay, input / output
$2 / $10
same as GPT-6 Sol · cached input halved to $0.10
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Where the GPT line stands
GPT-6.1 Sol is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.
Every GPT release
Newest first. See the full line with every card →
- Sep 29, 2026GPT-6.1 Sol · this page
- Sep 22, 2026GPT-6 Sol
- Jul 9, 2026GPT-5.6 Sol
- Apr 23, 2026GPT-5.5
- Mar 5, 2026GPT-5.4
- Dec 11, 2025GPT-5.2
- Nov 12, 2025GPT-5.1
- Aug 7, 2025GPT-5
- Apr 16, 2025o3
- Apr 14, 2025GPT-4.1
- Dec 5, 2024o1
- May 13, 2024GPT-4o
- Nov 6, 2023GPT-4 Turbo
- Mar 14, 2023GPT-4
- Nov 30, 2022GPT-3.5
- Jun 11, 2020GPT-3