GPT-6.1 Models by OpenAI
OpenAIProprietary
OpenAI releases · 51 in the last 12 months · this family litChangelog →
1 model2026Up to 1.05m ctxFrom $2.00/1M input
Last refreshed 2026-09-29. Next refresh: weekly.
Details
ResearcherOpenAI
LicenseProprietary
Commercial useCommercial use: conditional
Models1
Released2026
Max context1.05m
Capabilities
VisionAll models
MultimodalAll models
ReasoningAll models
JSON / Tool useAll models
Structured OutputsAll models
Code ExecutionAll models
Links
WebsiteAbout
OpenAI's GPT-6.1 family opened September 29, 2026 with GPT-6.1 Sol, an upgrade path below flagship GPT-6 Astra for near-Astra intelligence on agentic coding, computer use, and professional work at lower standard API token prices. First public API id gpt-6.1-sol. Own minor-version family (parallel to gpt-5.6); do not park under gpt-6 (Astra/Sol/Luna). No first-party GPT-6.1 Luna or GPT-6.1 Astra API pages as of 2026-09-29.
Decision facts
- Best fit
- codingvision and multimodal workreasoning
- Capability starting point
- GPT-6.1 Sol with 1.05m context and reasoning, JSON / Tool use, structured outputs, and multimodal inputs
- Lowest tracked input
- GPT-6.1 Sol · $2.00/1M · OpenAI API
- Closest related family
- GPT-5
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
1 in view
GPT-6.1 SolCurrent
Use when the workload needs 1.05m context, reasoning, and JSON / Tool use.
2026-091.05m contextreasoningJSON / Tool use
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| GPT-6.1 Sol | Use when the workload needs 1.05m context, reasoning, and JSON / Tool use. | 2026-09 | 1.05m contextreasoningJSON / Tool use | Current |
Release Timeline
1 release group2026-09
1 current
GPT-6.1 Sol
Current1.05m contextreasoningJSON / Tool use
Specifications(1 models)
| Model | Released | Context | Vision | Multimodal | Reasoning | JSON / Tool use | Structured Outputs | Code Exec |
|---|---|---|---|---|---|---|---|---|
| GPT-6.1 Sol | 2026-09 | 1.05m | Yes | Yes | Yes | Yes | Yes | Yes |
Available From(3 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| GPT-6.1 Sol | OpenAI API | $2 | $10 | Serverless |
| GPT-6.1 Sol | Azure OpenAI | $2 | $10 | Serverless |
| GPT-6.1 Sol | OpenRouter | $2 | $10 | Serverless |
