GPT-6 Astra
OpenAI's next flagship targets complex coding, research, and professional workflows. Compare its published results with independent measurements and check MiniRouter's current API pricing.
GPT-6 Astra is available on MiniRouter as . The model page has current pricing, provider routes and API setup.
About the model
- Context window: 1,050,000 tokens. OpenAI documents up to 922,000 input tokens and 128,000 output tokens.
- Reasoning: low through max. low, medium, high, xhigh, max. The none and minimal settings are unsupported.
- Tool calling: Responses required. OpenAI supports text Chat Completions; Astra tool calls require Responses. Gateway and client compatibility must be checked separately.
- Sampling: Remove temperature / top_p. Also remove top_logprobs; Chat Completions does not accept logprobs.
Publisher pricing
Pricing below comes from the linked publisher sources and does not represent a MiniRouter route or price.
| Phase | Input / 1M | Output / 1M | Blended / 1M | Effective | Source |
|---|---|---|---|---|---|
| OpenAI Standard list price | $10.00 | $50.00 | $20.00 | Sep 3, 2026 – open-ended | OpenAI ↗ |
Publisher-reported benchmarks
Results from the publisher’s announcement, grouped by unit.
| Benchmark | Reported result | Reported by | As of | Source |
|---|---|---|---|---|
| Terminal-Bench 4.0 | 57.9% | OpenAI | Sep 3, 2026 | Announcement ↗ |
| AutomationBench | 41.4% | OpenAI | Sep 3, 2026 | Announcement ↗ |
| GPQA Diamond | 96.0% | OpenAI | Sep 3, 2026 | Announcement ↗ |
The announcement is dated September 3; MiniRouter's catalog feed dates this arrival September 4. Catalog availability is refreshed separately from this article.
The price table shows OpenAI's Standard list rates. Use the linked model page for current MiniRouter customer rates. OpenAI applies higher full-request rates above 272K input tokens; cache writes and Fast mode have separate pricing.
OpenAI documents async tools and steering for Astra. Their availability in OpenAI's API does not establish MiniRouter support for those features.
Artificial Analysis labels one evaluation non-reasoning. That source label is not a supported Astra API effort setting; OpenAI documents low through max.
Independent measurements
Artificial Analysis evaluations of the first-party API.
GPT-6 Astra (max) ranks #2 of 462 model families on their Intelligence Index. Their headline uses the highest-scoring effort setting; every listed setting is below.
- Intelligence Index
- 52.7
- Composite of their evaluations
- Coding Index
- 76.9
- Coding evaluations only
- Blended price
- $20
- USD per 1M tokens, 3:1 input to output, first-party list
- Output speed
- 63
- Median tokens per second
- First answer token
- 181s
- Median seconds, including reasoning
| Setting | Intelligence Index | Coding Index | Blended price | Output speed | First answer token |
|---|---|---|---|---|---|
| GPT-6 Astra (max) ↗ | 52.7 | 76.9 | $20 | 63 | 181s |
| GPT-6 Astra (xhigh) ↗ | 52.4 | 75.9 | $20 | 60 | 74s |
| GPT-6 Astra (high) ↗ | 50.9 | 77.1 | $20 | 57 | 21s |
| GPT-6 Astra (medium) ↗ | 49.6 | 76.7 | $20 | 58 | 3.9s |
| GPT-6 Astra (low) ↗ | 45.8 | 75.7 | $20 | 52 | 1.5s |
Source: Artificial Analysis ↗, read Sep 21, 2026. Measured on the model's first-party API, not a MiniRouter route.
Keep exploring
Compare published results in the model rankings and coding benchmarks, or read more model releases.
For MiniRouter product updates, visit the changelog.
Sources
- Read at OpenAI ↗
OpenAI GPT-6 Astra announcement
Published Sep 3, 2026
- Read at OpenAI ↗
OpenAI GPT-6 Astra model documentation
Published Sep 4, 2026
- Read at Artificial Analysis ↗
Artificial Analysis model page
Published Sep 21, 2026
Editorial reference revised 2026-10-07. Catalog status comes from the generated routing snapshot.