OpenAI · Shipped

GPT-6.1 Sol release date

Specs, benchmarks and changelog are on the GPT-6.1 Sol model card at TPS.

Released

Sep 29, 2026

What we know

Delivers near-Astra performance for coding and professional work at significantly lower pricing. Available via Work, Codex, and API with cached input tokens at $0.10.

Spec

Params: Not stated
Active: Not stated
Context: 1050000
Weights: Closed
Modality: Not stated
Codename: Not stated

Every claim

16 from 9 sources

Simon WillisonSpotted in the wildNov 2
The llm 0.37 release notes say gpt-6.1-sol was added to the CLI, but give no date for when the model was released.
no date givenno datesource
The DecoderPressOct 21
The Decoder reports GPT-6.1 Sol is available as a private preview for enterprise customers on Google Cloud at launch.
points at Oct 21exact datesource
TestingCatalogPressOct 21
Article reports GPT-6.1 Sol is available to select enterprises via Google Cloud private preview, with no release date given.
no date givenno datesource
OpenAI NewsFrom the labOct 20
OpenAI's post says the Terminal X Eval Agent was run with GPT-6.1 Sol, implying it exists, but gives no release timing.
no date givenno datesource
OpenAI NewsFrom the labOct 9
OpenAI's post names GPT-6.1 Sol as a model Asana used to cut browser agent costs, with no release timing given.
no date givenno datesource
TechmemeSpotted in the wildOct 5
GPT-6.1 Sol mentioned in SemiAnalysis subscription value comparison as available model.
no date givenno datesource
TestingCatalogSpotted in the wildSep 30
OpenAI has launched GPT-6.1 Sol with pricing competitive against Astra for coding and professional tasks.
no date givenno datesource
OpenRouter catalogSpotted in the wildSep 29
GPT-6.1 Sol is available on OpenRouter as a routable model in the GPT-6 series.
no date givenno datesource
OpenRouter catalogSpotted in the wildSep 29
GPT-6.1 Sol is available on OpenRouter with 1050000 token context window, positioned below GPT-6 Astra in the GPT-6 series.
no date givenno datesource
TechmemeFrom the labSep 29
OpenAI releases GPT-6.1 Sol, matching Astra's agentic coding performance at one-fifth the cost.
points at Sep 29exact datesource
Hacker News (AI front page)From the labSep 29
OpenAI has released GPT-6.1 Sol, announced on their official blog.
points at Sep 29exact datesource
PolymarketBetting marketSep 29
Polymarket, “Next GPT Sol (6.1+) released by...?”: 96% by Nov 30, 96% by Dec 31. $3K traded.
no date givenno datesource
TechCrunch AIFrom the labSep 29
OpenAI launched GPT-6.1 Sol, claiming it nearly matches GPT-6 Astra performance at lower cost.
points at Sep 29exact datesource
TechmemeFrom the labSep 29
OpenAI announced GPT-6.1 Sol with pricing and safety test performance, but no release date mentioned.
no date givenno datesource
Simon WillisonSpotted in the wildSep 29
GPT-6.1-Sol announced at OpenAI DevDay 2026, described as near-Astra intelligence at a fifth of the price.
points at Sep 29exact datesource
OpenAI NewsFrom the labSep 29
OpenAI's own announcement introduces GPT-6.1 Sol, positioned near Astra intelligence for coding, computer use and professional work at one-fifth of Astra's API prices.
points at Sep 29exact datesource

Official announcement