OpenAIGPT-6 Astra Pro
GPT-6 Astra Pro is an OpenAI proprietary reasoning model, released 3 Sept 2026. It is not yet ranked: 1 independent result so far, and the index needs at least five across two categories. At $20.00 per million tokens blended it is among the most expensive ranked models. Output speed of 34 tokens per second puts it in the slowest quarter, with a first token in 9.9 s. Last measured 3 Sept 2026.
- Blended price
- $20.00/M
- $10.00 in · $50.00 out
- Output speed
- 34 tok/s
- OpenRouter traffic, 7-day median; not yet measured by Artificial Analysis
- First answer
- 9.88 s
- Context
- 1.1M
- Full answer
- –
- Cost per run
- –
- Released
- 3 Sept 2026
- Coding79
Benchmark results
See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Reasoning
| Benchmark | max | Source |
|---|---|---|
| Chess Puzzlesnot in index | 76.0%#1 | Epoch AI Benchmarking Hub |
Where it wins
Benchmarks where this configuration ranks in the top five of every configuration measured.
Where to run it
Every provider serving this model through OpenRouter, with throughput and first-token latency measured on live traffic over the last 30 minutes and each provider’s own price. Purple marks the best in each column.
| Provider | Speed | First token | Input $/M | Output $/M | Context | Quantisation |
|---|---|---|---|---|---|---|
| OpenAI | 57 tok/s | 21 s | $10.00 | $50.00 | 1.1M | – |
| Azure | 51 tok/s | 38 s | $10.00 | $50.00 | 1.1M | – |
| OpenAI | 26 tok/s | 2.77 s | $20.00 | $100.00 | 1.1M | – |
What a task costs
Estimates from list price, output speed and time to first answer for the best configuration. “With caching” assumes three-quarters of the input is served from the prompt cache. Reasoning tokens are not modelled.
| Workload | Tokens in / out | Cost | With caching | Time |
|---|---|---|---|---|
| Chat reply | 400 / 300 | $0.019 | – | 18.7 s |
| Summarize a 30-page report | 12,000 / 600 | $0.150 | – | 27.5 s |
| Code edit | 6,000 / 1,500 | $0.135 | – | 54.0 s |
| Agentic coding session | 60,000 / 4,000 | $0.800 | – | 2.1 min |
| Structured extraction | 2,000 / 200 | $0.030 | – | 15.8 s |
More from OpenAI
See also
Questions people ask
- Why does GPT-6 Astra Pro have no BenchLeader Index score?
- The index needs at least five independent results across at least two categories; as of 24 Oct 2026 GPT-6 Astra Pro has 1 that count. Launch-post scores are never used, so it is ranked once independent publishers have measured it.
- How much does GPT-6 Astra Pro cost per 1M tokens?
- As of 24 Oct 2026, GPT-6 Astra Pro costs $10.00 per 1M input tokens and $50.00 per 1M output tokens, $20.00 blended (three input tokens per output token).
- When was GPT-6 Astra Pro released?
- OpenAI released GPT-6 Astra Pro on 3 Sept 2026.
Data as of 24 Oct 2026. Compare with another model.
Cite as: BenchLeader, “GPT-6 Astra Pro: benchmarks, pricing, speed and rank”, data as of 24 Oct 2026, https://www.benchleader.com/models/gpt-6-astra-pro.