GPT-6 Astra API Pricing
OpenAI · released Sep 4, 2026 · 1.05M context · API model ID gpt-6-astra
GPT-6 Astra by OpenAI API pricing: $10.00 per 1M input tokens and $50.00 per 1M output tokens (verified against the official pricing page, Oct 9, 2026).
Prices
| Price | USD per 1M tokens |
|---|---|
| Input | $10.00 |
| Output | $50.00 |
| Cache read | $1.00 |
| Cache write | $12.50 |
| Batch input | $5.00 |
| Batch output | $25.00 |
Verified against the provider's official pricing page on Oct 9, 2026. Official pricing page
Estimated monthly cost
$10,500
per month
- per day
- $350.00
- per request
- $0.035
Cannot estimate: a needed price is not published.
Cost = input tokens × input price + output tokens × output price, 30 days a month. Cached input uses the cache read price. Cache write fees are not included.
Long-context prices
Prompts longer than the threshold are billed at a higher rate.
| Prompts over | Input | Output | Cache read | Cache write |
|---|---|---|---|---|
| 272,000 tokens | $20.00 | $75.00 | $2.00 | $25.00 |
Monthly cost by workload
| Workload | Per month |
|---|---|
| Chatbot1,000 in / 500 out tokens, 10,000 requests a day | $10,500/mo |
| RAG8,000 in / 500 out tokens, 5,000 requests a day | $15,750/mo |
| Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input | $7,200/mo |
Context and capabilities
- Context
- 1,050,000 tokens
- Max output
- 128,000 tokens
- Input
- text, image, pdf
- Output
- text
- Knowledge cutoff
- Apr 30, 2026
- Open weights
- No
- Tool calling
- Yes
- Reasoning
- Yes
- Structured outputs
- Yes
Capabilities and limits as listed by models.dev.
Similarly priced models
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- Claude Sonnet 5.5 · $2.00 in / $10.00 out · Compare
Compare GPT-6 Astra
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Price history
No price changes since we started tracking on Oct 8, 2026.
Questions
- How much does GPT-6 Astra cost per month?
- For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, GPT-6 Astra costs about $10,500 per month at the provider's official prices (verified) ($10.00 per 1M input tokens, $50.00 per 1M output tokens).
- Does GPT-6 Astra support prompt caching?
- Yes. Cached input costs $1.00 per 1M tokens, compared with $10.00 for regular input. Writing to the cache costs $12.50 per 1M tokens.
- How long is GPT-6 Astra's context window?
- GPT-6 Astra accepts up to 1,050,000 tokens (1.05M) of context and returns up to 128,000 tokens per response.
- Does GPT-6 Astra have a batch price?
- Yes. Asynchronous batch requests cost $5.00 per 1M input tokens and $25.00 per 1M output tokens.