GPT-6.1 Sol
- Next shutdown
- None setNo date on 3 platforms
- Arena Text
- 1,484#13 of 128 · Arena
- GPQA Diamond
- 95.4%#5 of 108 · Epoch AI
- List price · $ per 1M
- $2.00 in $10.00 outOpenAI API · cached input $0.10
- Context window
- 1.1MMax output 128K tokens
Dates on every platform
| Platform | Model ID and status | Deprecated | Shuts down | Replacement |
|---|---|---|---|---|
| OpenAI APIOpenAI: List models (GET /v1/models) (opens in a new tab) · checked Oct 14, 2026 | gpt-6.1-solActive | – | None set | – |
| Azure AI FoundryMicrosoft: Foundry Models sold by Azure (opens in a new tab) · checked Oct 14, 2026 | gpt-6.1-sol:2026-09-29Active | – | None set | – |
| Amazon BedrockAmazon Web Services: Amazon Bedrock ListFoundationModels, us-east-1 (opens in a new tab) · checked Oct 14, 2026 | openai.gpt-6.1-solActive · also global.openai.gpt-6.1-sol, us.openai.gpt-6.1-sol | – | None set | – |
In us-east-1, requests go through a cross-Region inference profile (listed in aliases).
Follows OpenAI's first-party lifecycle and deprecation notice periods; Bedrock sets no separate minimum availability date.
What breaks when you move off GPT-6.1 Sol
Intelligence
| Benchmark | Publisher | Score | Rank | Published |
|---|---|---|---|---|
| Arena Text | Arena | 1,484 ± 5 | #13 of 128 | Oct 8, 2026 |
| GPQA Diamond | Epoch AI | 95.4% ± 1.4% | #5 of 108 | Sep 29, 2026 |
| Arena WebDev | Arena | 1,755 ± 8 | #4 of 69 | Oct 8, 2026 |
| Arena Agent | Arena | 0 ± 0 | #2 of 35 | Oct 12, 2026 |
| FrontierMath Tier 4 | Epoch AI | 100.0% ± 0.0% | #1 of 58 | Sep 29, 2026 |
| FrontierMath Tiers 1-3 | Epoch AI | 93.7% ± 1.4% | #2 of 71 | Sep 29, 2026 |
| OTIS Mock AIME 2024-2025 | Epoch AI | 100.0% ± 0.0% | #8 of 105 | Sep 29, 2026 |
| SimpleQA Verified | Epoch AI | 73.9% ± 1.4% | #3 of 68 | Sep 29, 2026 |
Arena (arena.ai), https://arena.ai/leaderboard
Epoch AI, ‘Capabilities & benchmarking’. Published online at epoch.ai. Retrieved from ‘https://epoch.ai/benchmarks’ [online resource].
List prices
| Platform | Input | Cached | Output | In effect | Source |
|---|---|---|---|---|---|
OpenAI APIgpt-6.1-sol | $2.00 | $0.10 | $10.00 | Sep 29, 2026Current · Requests over 272K input tokens are billed at higher long-context rates. Cache writes are billed separately. Batch and Flex bill less; Fast mode bills more. | OpenAI: Pricing (opens in a new tab) |
Azure AI Foundrygpt-6.1-sol:2026-09-29 | $2.00 | $0.10 | $10.00 | Oct 1, 2026Current · Global Standard short-context rate from the US East 2 price list. | Microsoft: Azure Retail Prices API (Foundry Models, US East 2) (opens in a new tab) |
Amazon Bedrockopenai.gpt-6.1-sol | $2.20 | $0.11 | $11.00 | Oct 14, 2026Current · Standard tier, short context (272K input tokens or fewer). US cross-Region inference and bedrock-mantle in us-east-1; global cross-Region inference is priced lower. | Amazon Web Services: Amazon Bedrock model card: GPT-6.1 Sol (opens in a new tab) |
Change history
ReleaseGPT-6.1 Sol on Amazon BedrockAmazon Bedrock
ListFoundationModels lists GPT-6.1 Sol as active with a start-of-life time of 10:00 UTC on 15 October 2026. It follows OpenAI's first-party lifecycle terms.
- Platform
- Amazon Bedrock
- Model
- GPT-6.1 Sol
Source: Amazon Web Services, Amazon Bedrock ListFoundationModels, us-east-1 (opens in a new tab)
ReleaseGPT-6.1 Sol released on the OpenAI APIOpenAI API2 breaks
OpenAI released GPT-6.1 Sol for complex coding and professional work at a lower cost than GPT-6 Astra. Multi-agent delegation is in beta.
- Platform
- OpenAI API
- Model
- GPT-6.1 Sol
- ParametersGPT-6.1 Sol does not support the none or minimal reasoning efforts; the default is medium.
- ToolingUse the Responses API for tool calling. Chat Completions supports GPT-6.1 Sol only for requests without tools.
Source: OpenAI, Changelog (opens in a new tab); OpenAI, Using GPT-6 (opens in a new tab)