AiGanakGPT-6 Astra API pricing
GPT-6 Astra costs $10 per million input tokens and $50 per million output tokens at OpenAI's standard list price, checked 26 October 2026. One typical support answer costs about $0.049.
GPT-6 Astra (OpenAI) costs $10 input, $1 cached input and $50 output per million tokens at standard list price, checked 26 October 2026. Batch: $5 input and $25 output. A typical support answer costs $0.049.
GPT-6 Astra price per million tokens
Model ID gpt-6-astra. Source: OpenAI's pricing page, checked 26 October 2026. AiGanak re-checks every price weekly.
| Standard | Batch | |
|---|---|---|
| Input | $10 | $5 |
| Cached input | $1 | $0.5 |
| Output | $50 | $25 |
- Writing to the prompt cache costs $12.50 per million tokens.
- Prompts over 272K input tokens cost 2x input and cache rates and 1.5x output for the whole request. Long-prompt rates: $20 input, $75 output.
- Batch requests return within 24 hours at the batch rate.
What GPT-6 Astra costs per request
Token counts are stated so you can check the arithmetic.
| Task | Tokens | Per request | Per 1,000 | $100 buys |
|---|---|---|---|---|
| Chat reply | 2,000 input tokens, none cached, 300-token reply | $0.035 | $35.00 | 2,857 |
| Support answer | 6,000 input tokens (4,000 cached instructions and help text), 500-token answer | $0.049 | $49.00 | 2,040 |
| Document summary | 20,000-token document, no caching, 800-token summary | $0.240 | $240 | 416 |
GPT-6 Astra compared with similar models
Cost of the same support answer (6,000 input tokens (4,000 cached instructions and help text), 500-token answer). Cheaper is not better unless quality holds on your own examples.
| Model | Input / output per 1M | Support answer | vs GPT-6 Astra |
|---|---|---|---|
| Gemini 4 Argon | $2 / $10 | $0.00940 | 81% cheaper |
| Gemini 3.1 Pro (preview) | $2 / $12 | $0.011 | 78% cheaper |
| Claude Opus 5.5 | $4 / $20 | $0.019 | 62% cheaper |
| Claude Fable 5.1 | $10 / $50 | $0.046 | 6% cheaper |
| GPT-6 Astra | $10 / $50 | $0.049 | — |
See every model on one page in the LLM Price Index, or upload your bill to the free LLM Bill Analyzer to see what GPT-6 Astra costs you and what you could save.
GPT-6 Astra pricing questions
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How much does GPT-6 Astra cost per million tokens?
GPT-6 Astra costs $10 input, $1 cached input and $50 output per million tokens at OpenAI's standard list price, checked 26 October 2026. Batch processing costs $5 input and $25 output per million tokens. Writing to the prompt cache costs $12.50 per million tokens. Prompts over 272K input tokens cost 2x input and cache rates and 1.5x output for the whole request.
How much does one request cost on GPT-6 Astra?
A support answer with 6,000 input tokens (4,000 of them cached) and a 500-token reply costs about $0.049, or $49.00 per 1,000 answers, at standard list prices.
Is GPT-6 Astra getting more expensive?
No price change was announced on OpenAI's pricing page when AiGanak checked it on 26 October 2026. AiGanak re-checks prices weekly and emails alerts when one changes.
What is a cheaper alternative to GPT-6 Astra?
Among flagship models from OpenAI, Anthropic and Google, Gemini 4 Argon is the cheapest for the same support answer at $0.00940 per request, against $0.049 on GPT-6 Astra. Test quality on your own examples before switching.
Get an email when GPT-6 Astra or any other LLM price changes
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