# GPT-6 Astra

Model tracker · checked 2026-10-15 · https://dbggr.dev/models/gpt-6-astra/

GPT-6 Astra is a frontier model from OpenAI, released 3 September 2026. At OpenAI it costs $10.00 per million input tokens and $50.00 per million output tokens, with a 1.1M-token context window.

- Made by: OpenAI
- Released: 2026-09-03
- Status: Generally available
- Tier: Frontier
- Weights: Closed
- Context window: 1,050,000 tokens
- Max output: 128,000 tokens
- Input: text, image
- API id: gpt-6-astra
- Docs: https://developers.openai.com/api/docs/models/gpt-6-astra

## GPT-6 Astra price at OpenAI

US dollars per million tokens. Blended is 3 input tokens for every output token, one number to compare on.

| Provider | Input | Output | Cached input | Blended | Batch | Checked |
|---|---|---|---|---|---|---|
| OpenAI | $10.00 | $50.00 | $1.00 | $20.00 | 50% off | [2026-10-15](https://developers.openai.com/api/docs/pricing) |

- OpenAI: Prompts over 272K input tokens cost 2x input and cache, 1.5x output for the whole request. Cache writes 1.25x input. Flex is also 50% off; Fast mode costs 2x; Ultrafast mode costs 6x ($60 in / $300 out). Regional (data residency) endpoints +10%.

## GPT-6 Astra benchmarks

| Benchmark | Score | What it measures | Reported by |
|---|---|---|---|
| LMArena text score | 1477 | Elo-style score from people voting between answers | [Independent](https://arena.ai/leaderboard/text) |

Scores reported by a model's maker aren't independently checked.

## Models like GPT-6 Astra

| Model | Input | Output | Context | Weights |
|---|---|---|---|---|
| GPT-6 Astra | $10.00 | $50.00 | 1.1M | Closed |
| [Claude Fable 5.1](https://dbggr.dev/models/claude-fable-5-1/) | $10.00 | $50.00 | 1M | Closed |
| [Claude Opus 5.5](https://dbggr.dev/models/claude-opus-5-5/) | $4.00 | $20.00 | 1M | Closed |
| [Muse Wonder](https://dbggr.dev/models/muse-wonder/) | $4.00 | $20.00 | 1M | Closed |
| [Gemini 4 Argon](https://dbggr.dev/models/gemini-4-argon/) | $2.00 | $10.00 | 1M | Closed |
| [Mistral Large 4](https://dbggr.dev/models/mistral-large-4/) | $0.68 | $2.09 | 1M | Open |

## FAQ

### How much does GPT-6 Astra cost?

GPT-6 Astra costs $10.00 per million input tokens and $50.00 per million output tokens at OpenAI, and $1.00 per million cached input tokens, with 50% off for batch requests. Prices are list prices in US dollars, last checked 15 October 2026.

### What is GPT-6 Astra's context window?

GPT-6 Astra takes up to 1,050,000 tokens in one request and writes up to 128,000 tokens in one response.

### Is GPT-6 Astra open weight?

No. GPT-6 Astra is only available through OpenAI's API; OpenAI doesn't publish the weights.

### Where can I use GPT-6 Astra?

GPT-6 Astra is available from OpenAI. At OpenAI, call it as `gpt-6-astra`.