Modelgpt-6.1-sol
GPT-6.1 Sol in Codex and ChatGPT Work
GPT-6.1 Sol offers near-Astra performance for complex work at a lower cost than Astra. Consider it for repeated, long-running work across code, apps, and documents. Availability depends on your plan, client, and workspace settings.
Specs
- Input
- text, image
- Output
- text
- Context window
- 1,050,000 tokens
- Max input
- 922,000 tokens
- Max output
- 128,000 tokens
- Knowledge cutoff
- Apr 30, 2026
Token pricing
| Model | Input | Cached input | Cache writes | Output |
|---|---|---|---|---|
| GPT-6.1 SolNew | $2.00 | $0.10 | $2.50 | $10.00 |
| GPT-6 Astra | $10.00 | $1.00 | $12.50 | $50.00 |
USD per 1M tokens. Standard text-token prices per 1M tokens from the official API docs, retrieved 2026-09-29.
The pricing table above lists the same values.
Benchmarks
Benchmarks not published by the source yet.
What changed
GPT-6.1 Sol offers near-Astra performance for complex work at a lower cost than Astra. Consider it for repeated, long-running work across code, apps, and documents. Availability depends on your plan, client, and workspace settings.
Use gpt-6.1-sol. See
Models for availability and
model selection
to compare models.
Official entry: GPT-6.1 Sol in Codex and ChatGPT Work
Who is affected
ChatGPT, Codex and API users with access to the model; availability depends on plan, client and workspace.
What to do now
Choose GPT-6.1 Sol in the model picker, or call gpt-6.1-sol through the API.
What is not confirmed
Benchmark results are added once the source publishes them and are not independently re-run. Prices are copied from the official docs and may change.
Sources
- OfficialGPT-6.1 Sol in Codex and ChatGPT Work (official changelog) · Sep 29, 2026
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