GPT-6 Astra
GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon agentic tasks that involve computer and browser use.
- Organization
- OpenAI
- Family
- gpt-astra
- Providers
- 27
- Context
- 1,050,000
- Output limit
- 128,000
- Knowledge
- 2026-04-30
- Release
- 2026-09-04
- Updated
- 2026-09-04
- Weights
- Closed
- Input
- text, image, pdf
- Output
- text
- Capabilities
- Tools, Reasoning, Structured
Providers
Compare every cataloged offer for this model, including its provider, route, token limits, price, and capabilities.
| Provider | Model ID | Context | Output | Input / output · 1M | Reasoning | Tools | Structured | Details |
|---|---|---|---|---|---|---|---|---|
| 302.AI | gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| AIHubMix | gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Amazon Bedrock | global.openai.gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Amazon Bedrock | us.openai.gpt-6-astra | 1,050,000 | 128,000 | $11.00 / $55.00 | Yes | Yes | Yes | View |
| Amazon Bedrock | openai.gpt-6-astra | 1,050,000 | 128,000 | $11.00 / $55.00 | Yes | Yes | Yes | View |
| Azure | gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Azure Cognitive Services | gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Cloudflare AI Gateway | openai/gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| CrossModel | openai/gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| DigitalOcean | openai-gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Eden AI | openai/gpt-latest | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Eden AI | openai/gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| GitHub Copilot | gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| GitLab Duo | duo-chat-gpt-6-astra | 1,050,000 | 128,000 | $0.00 / $0.00 | Yes | Yes | Yes | View |
| Infer by Flow7 | infer/gpt-6-astra:official | 271,999 | 128,000 | $12.50 / $62.50 | Yes | Yes | Yes | View |
| Kilo Gateway | openai/gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| LLM Gateway | aws-mantle/gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| LLM Gateway | azure/gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Merge Gateway | openai/gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| NanoGPT | openai/gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Neon | gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Ofox | openai/gpt-6-astra | 1,050,000 | 128,000 | $8.00 / $40.00 | Yes | Yes | Yes | View |
| OpenAI | gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| OpenCode Zen | gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Amazon Bedrockvia OpenRouter | openai/gpt-6-astra unknown | 1,050,000 | 128,000 | $11.00 / $55.00 | Yes | Yes | Yes | View |
| Azurevia OpenRouter | openai/gpt-6-astra unknown | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Azurevia OpenRouter | openai/gpt-6-astra unknown | 1,050,000 | 128,000 | $11.00 / $55.00 | Yes | Yes | Yes | View |
| OpenAIvia OpenRouter | openai/gpt-6-astra unknown | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| OpenAIvia OpenRouter | openai/gpt-6-astra unknown | 1,050,000 | 128,000 | $60.00 / $300.00 | Yes | Yes | Yes | View |
| OpenAIvia OpenRouter | openai/gpt-6-astra unknown | 1,050,000 | 128,000 | $20.00 / $100.00 | Yes | Yes | Yes | View |
| OpenAIvia OpenRouter | openai/gpt-6-astra unknown | 1,050,000 | 128,000 | $5.00 / $25.00 | Yes | Yes | Yes | View |
| Opper | gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Requesty | gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Venice AI | openai-gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Vercel AI Gateway | openai/gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| Vivgrid | gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
| ZenMux | openai/gpt-6-astra | 1,050,000 | 128,000 | $10.00 / $50.00 | Yes | Yes | Yes | View |
Prices and limits apply to each offer. A dash means the value is not provided. OpenRouter offers show the hosting provider and routing channel separately.
Pricing
Compare token rates and cache charges across available routes and hosting configurations.
Lowest listed input and output prices across the offers above; they may belong to different providers. These are base rates, before conditional pricing, discounts or additional fees.
openai/gpt-6-astraObserved - Input
- $10.00
- Output
- $50.00
- Cache read
- $1.00
- Cache write
- $12.50
Additional fees and pricing conditions
- web search
- $0.01 / search
overrides · USD per token for token prices; time windows use UTC.
[
{
"prompt": "0.00002",
"completion": "0.000075",
"input_cache_read": "0.000002",
"input_cache_write": "0.000025",
"min_prompt_tokens": 272000
}
]Hosting prices through OpenRouter All endpoints and cache rates
| Endpoint | Input / 1M | Output / 1M | Cache read / 1M | Cache write / 1M |
|---|---|---|---|---|
| Amazon Bedrockamazon-bedrock/us-west-2 | $11.00 | $55.00 | $1.10 | $13.75 |
| Azureazure | $10.00 | $50.00 | $1.00 | $12.50 |
| Azureazure/us | $11.00 | $55.00 | $1.10 | $13.75 |
| OpenAIopenai | $10.00 | $50.00 | $1.00 | $12.50 |
| OpenAIopenai/ultrafast | $60.00 | $300.00 | $6.00 | $75.00 |
| OpenAIopenai/fast | $20.00 | $100.00 | $2.00 | $25.00 |
| OpenAIopenai/flex | $5.00 | $25.00 | $0.50 | $6.25 |
Each row is a hosting configuration. Open an offer in Providers for its full pricing conditions and additional fees. Endpoint observations may differ from the routing catalog's base price.
Performance
Review reported latency and output-throughput percentiles from the latest observed rolling window.
Time to first token · milliseconds
All latency percentiles 6 endpoints
| Endpoint | P50 | P75 | P90 | P99 |
|---|---|---|---|---|
| Amazon Bedrockamazon-bedrock/us-west-2 | 4,371.5 ms | 8,522.25 ms | 12,214.8 ms | 14,238.18 ms |
| Azureazure | 1,886 ms | 3,393.75 ms | 7,267.5 ms | 30,052.93 ms |
| Azureazure/us | 18,054 ms | 48,402 ms | 67,180.4 ms | 89,108.48 ms |
| OpenAIopenai | 2,797 ms | 6,336 ms | 14,928.7 ms | 61,792.63 ms |
| OpenAIopenai/fast | 4,444 ms | 7,252 ms | 11,324.2 ms | 22,369.46 ms |
| OpenAIopenai/flex | 2,753 ms | 6,665 ms | 11,817 ms | 83,734.2 ms |
Output throughput · tokens per second
All throughput percentiles 6 endpoints
| Endpoint | P50 | P75 | P90 | P99 |
|---|---|---|---|---|
| Amazon Bedrockamazon-bedrock/us-west-2 | 52 t/s | 65 t/s | 72 t/s | 80.1 t/s |
| Azureazure | 32 t/s | 41 t/s | 49 t/s | 73 t/s |
| Azureazure/us | 25 t/s | 33.5 t/s | 41 t/s | 54 t/s |
| OpenAIopenai | 42 t/s | 51 t/s | 61 t/s | 84 t/s |
| OpenAIopenai/fast | 48 t/s | 67 t/s | 83 t/s | 106.74 t/s |
| OpenAIopenai/flex | 62 t/s | 76 t/s | 93 t/s | 120 t/s |
Percentiles describe the observed request distribution. These are snapshots of a rolling window, not a historical time series.
Uptime
Compare successful request rates across the latest 5-minute, 30-minute, and 24-hour observations.
Reported by OpenRouter at the time of collection; rate-limited requests are excluded. A dash means no measurement was reported. This is not a live availability check.
Benchmarks
Review attributed evaluation results on each source's original scale.
openai/gpt-6-astraObserved Sources: Artificial Analysis and Design Arena, via OpenRouter. Scores retain their original scales and are not OpenAI Suite ratings.
Detailed evaluations
| Evaluation | Configuration | Source | Results | Details |
|---|---|---|---|---|
| gpqa diamond | OpenAI: GPT-6 Astraopenai/gpt-6-astra-20260903 | OpenRouter | 94.444% | Details |
| tau bench verified airline | OpenAI: GPT-6 Astraopenai/gpt-6-astra-20260903 | OpenRouter | 68% | Details |
| Composite indices | GPT-6 Astra (max)openai/gpt-6-astra-20260903 | Artificial Analysis | Intelligence 52.7 · Coding 76.9 · Agentic 51 | Details |
Sources: Artificial Analysis, Design Arena and OpenRouter. Evaluation configurations and scales differ; results are not interchangeable. Updated Oct 4, 2026.
Apps & session costs
Compare observed median session costs for applications using this model, grouped by conversation length.
| Application | Model route | Turns | Median cost / session | Details |
|---|---|---|---|---|
| Codex | openai/gpt-6-astra-20260903 | 10–49 turns | $2.933723 | Details |
| Kilo Code | openai/gpt-6-astra-20260903 | 10–49 turns | $2.708043 | Details |
| Claude Code | openai/gpt-6-astra-20260903 | 50+ turns | $15.19952 | Details |
| Kilo Code | openai/gpt-6-astra-20260903 | 2–9 turns | $0.822546 | Details |
| Hermes Agent | openai/gpt-6-astra-20260903 | 1 turn | $0.038019 | Details |
| Codex | openai/gpt-6-astra-20260903 | 1 turn | $0.118082 | Details |
| Hermes Agent | openai/gpt-6-astra-20260903 | 10–49 turns | $3.052718 | Details |
| Claude Code | openai/gpt-6-astra-20260903 | 10–49 turns | $2.78885 | Details |
| Hermes Agent | openai/gpt-6-astra-20260903 | 50+ turns | $19.333462 | Details |
| Codex | openai/gpt-6-astra-20260903 | 2–9 turns | $0.572655 | Details |
| Claude Code | openai/gpt-6-astra-20260903 | 1 turn | $0.265323 | Details |
| Claude Code | openai/gpt-6-astra-20260903 | 2–9 turns | $0.518383 | Details |
| Codex | openai/gpt-6-astra-20260903 | 50+ turns | $19.557594 | Details |
| Hermes Agent | openai/gpt-6-astra-20260903 | 2–9 turns | $0.529349 | Details |
Source: OpenRouter, as of Oct 2, 2026. Published under CC BY 4.0. These are observed costs per session, not token prices or a forecast for your workload. Apps are compared separately.
Activity
Daily prompt and completion tokens reported for this model's routes in OpenRouter's top 50. Missing days have no published value.
70,859,008,840 tokens
63,153,928,501 tokens
87,279,302,620 tokens
124,263,411,024 tokens
121,801,308,844 tokens
131,369,910,231 tokens
113,330,598,063 tokens
82,829,044,083 tokens
62,568,636,733 tokens
101,283,239,623 tokens
107,608,562,554 tokens
220,000,343,457 tokens
829,913,991,437 tokens
242,873,840,090 tokens
140,045,736,102 tokens
109,287,445,254 tokens
161,600,991,288 tokens
145,161,485,408 tokens
172,713,762,950 tokens
140,329,908,175 tokens
143,094,194,120 tokens
181,874,010,759 tokens
88,331,382,797 tokens
112,820,888,941 tokens
83,155,418,525 tokens
157,018,240,974 tokens
459,821,328,032 tokens
428,855,567,490 tokens
83,802,429,787 tokens
Daily observations · 29 days
| Date (UTC) | Reported tokens | Reported routes |
|---|---|---|
| Oct 3, 2026 | 83,802,429,787 | 1 |
| Oct 2, 2026 | 428,855,567,490 | 1 |
| Oct 1, 2026 | 459,821,328,032 | 1 |
| Sep 30, 2026 | 157,018,240,974 | 1 |
| Sep 29, 2026 | 83,155,418,525 | 1 |
| Sep 28, 2026 | 112,820,888,941 | 1 |
| Sep 27, 2026 | 88,331,382,797 | 1 |
| Sep 26, 2026 | 181,874,010,759 | 1 |
| Sep 25, 2026 | 143,094,194,120 | 1 |
| Sep 24, 2026 | 140,329,908,175 | 1 |
| Sep 23, 2026 | 172,713,762,950 | 1 |
| Sep 22, 2026 | 145,161,485,408 | 1 |
| Sep 21, 2026 | 161,600,991,288 | 1 |
| Sep 20, 2026 | 109,287,445,254 | 1 |
| Sep 19, 2026 | 140,045,736,102 | 1 |
| Sep 18, 2026 | 242,873,840,090 | 1 |
| Sep 17, 2026 | 829,913,991,437 | 1 |
| Sep 16, 2026 | 220,000,343,457 | 1 |
| Sep 15, 2026 | 107,608,562,554 | 1 |
| Sep 14, 2026 | 101,283,239,623 | 1 |
| Sep 13, 2026 | 62,568,636,733 | 1 |
| Sep 12, 2026 | 82,829,044,083 | 1 |
| Sep 11, 2026 | 113,330,598,063 | 1 |
| Sep 10, 2026 | 131,369,910,231 | 1 |
| Sep 9, 2026 | 121,801,308,844 | 1 |
| Sep 8, 2026 | 124,263,411,024 | 1 |
| Sep 7, 2026 | 87,279,302,620 | 1 |
| Sep 6, 2026 | 63,153,928,501 | 1 |
| Sep 5, 2026 | 70,859,008,840 | 1 |
Source: OpenRouter (openrouter.ai/rankings), as of Oct 4, 2026. CC BY 4.0. Totals include only individually published routes. Tokenizers differ by provider; the aggregated “other” category is never assigned to a model.
Technical details & API
Explore specifications, supported parameters, reasoning controls, and API identifiers for each OpenRouter route.
openai/gpt-6-astraObserved - Context
- 1,050,000
- Maximum output
- 128,000
- Tokenizer
- GPT
- Input
- file, image, text
- Output
- text
- Moderation
- Yes
- Added to OpenRouter
- 2026-09-04
https://openrouter.ai/api/v1openai/gpt-6-astraopenai/gpt-6-astra-20260903Reasoning
- Required
- Yes
- Enabled by default
- Yes
- Default effort
- medium
- Supported efforts
- max, xhigh, high, medium, low
Supported parameters
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetoolsverbosity
Frequently asked questions
Answers based on the model metadata and serving offers currently in the catalog.
How much does GPT-6 Astra cost?
Listed rates start at $0.00 per million input tokens and $0.00 per million output tokens. Prices vary by provider and configuration; see Pricing for details.
Which providers offer GPT-6 Astra?
There are 37 cataloged offers across 27 providers. Compare model IDs, prices and limits in Providers.
What is the context window?
The cataloged model context is 1,050,000 tokens. Each serving endpoint may apply a different limit.
Does it support tools and structured output?
Tool calling: Yes. Structured output: Yes. Support can vary by endpoint.
Catalog history · 2 recorded revisions
Metadata observations since this model was first cataloged. These are not model release versions.
- ·
d6742d07d1c5 - ·
8ef9b7ddf957