OpenAIreasoningGPT-6 Astra pricing
$10.00 per 1M input tokens and $50.00 per 1M output tokens. In real work that is 3.4¢ per chat answer and 16¢ to summarize a 20-page PDF.
Official price at OpenAI: $10.00 / $50.00 per 1M, cached $1.00 (source, verified Oct 18, 2026).
What GPT-6 Astra costs per task
Token counts estimated from a measured model of the same lab (GPT-6.1 Sol), rescaled by tokenizer. Reasoning tokens are billed as output.
| Task | Cost | Tokens used | Price rank | Basis |
|---|---|---|---|---|
| Answer a chat question | 3.4¢$33.60 / 1,000 | 45 in · 560 out · 103 reasoning | 320 of 336 | estimated |
| Reply to a customer email | 0.89¢$8.88 / 1,000 | 258 in · 126 out | 301 of 336 | estimated |
| Write a 1,500-word blog post | 11¢$115 / 1,000 | 59 in · 2,116 out · 172 reasoning | 320 of 336 | estimated |
| Write 10 product descriptions | 6.2¢$61.58 / 1,000 | 283 in · 1,103 out · 72 reasoning | 308 of 336 | estimated |
| Translate 1,000 words | 8.0¢$79.95 / 1,000 | 1,330 in · 1,289 out · 44 reasoning | 309 of 336 | estimated |
| Proofread one page (500 words) | 4.0¢$40.28 / 1,000 | 718 in · 662 out | 318 of 336 | estimated |
| Summarize a 20-page PDF | 16¢$155 / 1,000 | 12,987 in · 482 out · 26 reasoning | 324 of 336 | estimated |
| Extract data from an invoice | 2.6¢$26.23 / 1,000 | 373 in · 450 out | 308 of 336 | estimated |
| Analyze a 200-row spreadsheet | 42¢$421 / 1,000 | 4,779 in · 919 out · 6,553 reasoning | 319 of 336 | estimated |
| Answer from 5 retrieved documents (RAG) | 5.9¢$59.00 / 1,000 | 3,690 in · 442 out | 317 of 336 | estimated |
| Classify 100 support tickets | 3.9¢$38.56 / 1,000 | 1,261 in · 442 out · 77 reasoning | 299 of 336 | estimated |
| Review 500 lines of code | 24¢$244 / 1,000 | 4,557 in · 1,135 out · 2,843 reasoning | 318 of 336 | estimated |
| Write a SQL query | 2.4¢$24.21 / 1,000 | 126 in · 312 out · 147 reasoning | 306 of 336 | estimated |
| Run a 50-step coding agent | $3.72$3,721 / 1,000 | 2,237,500 in · 15,000 out | 312 of 336 | modeled |
Price at every provider
List prices per 1M tokens (input / output) at each host serving GPT-6 Astra through OpenRouter today. Hosts can differ in quantization, context and speed.
| Provider | Input / output | Cached input | Context | Uptime |
|---|---|---|---|---|
OpenAIunknown | $5.00 / $25.00 | $0.50 | 1.05M | 100% |
 Azureunknown | $10.00 / $50.00 | $1.00 | 1.05M | 100% |
OpenAIunknown | $10.00 / $50.00 | $1.00 | 1.05M | 100% |
 Amazon Bedrockunknown | $11.00 / $55.00 | $1.10 | 1.05M | |
Azureunknown | $11.00 / $55.00 | $1.10 | 1.05M | |
OpenAIunknown | $20.00 / $100.00 | $2.00 | 1.05M | |
OpenAIunknown | $60.00 / $300.00 | $6.00 | 1.05M |
Price history
First seen in our price history on Sep 7, 2026 at $10.00 input / $50.00 output. The list price has not changed since.
FAQ
How much does GPT-6 Astra cost?
GPT-6 Astra costs $10.00 per 1 million input tokens and $50.00 per 1 million output tokens, with cached input at $1.00 (list price on Oct 18, 2026). In practice one chat answer costs about 3.4¢ and summarizing a 20-page PDF about 16¢.
Where is GPT-6 Astra cheapest?
Among 7 providers we track, the lowest list price today is at OpenAI: $5.00 input and $25.00 output per 1M tokens.
Does GPT-6 Astra charge for reasoning tokens?
Yes. Reasoning (thinking) tokens are billed as output tokens. That is why the cost per task can be much higher than the visible answer suggests - our task costs include them.
Is the GPT-6 Astra cost per task measured or estimated?
Estimated: GPT-6 Astra was not run directly. Tokens come from GPT-6.1 Sol and are rescaled by the tokenizer of OpenAI. Real usage can differ.