GPT-6 Astra Pro
OpenAI · Proprietary · Released Sep 4, 2026 · openai/gpt-6-astra-pro
Best $10.00 in / $50.00 out via OpenAI
1.05M contextVisionToolsReasoningStructured outputPrompt caching
Available from 6 providersUSD / MTOK · PRICES 24 MINUTES AGO · SPEED 10 DAYS AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
| PROVIDER | INPUT | OUTPUT | CACHE | CONTEXT | QUANT | TTFT | TPS | UPTIME |
|---|---|---|---|---|---|---|---|---|
 OpenAIFLEX1ST PARTY | $5.00 | $25.00 | $0.50 | 1.05M | — | 8.7s | — | 100.0% |
| OpenAI1ST PARTY | $10.00 | $50.00 | $1.00 | 1.05M | — | — | — | 100.0% |
 Azure | $10.00 | $50.00 | $1.00 | 1.05M | — | 11.5s | 2929 tok/s | 100.0% |
| Azure | $11.00 | $55.00 | $1.10 | 1.05M | — | — | — | 100.0% |
| OpenAIPRIORITY1ST PARTY | $20.00 | $100.00 | $2.00 | 1.05M | — | — | — | 100.0% |
| OpenAI1ST PARTY | $60.00 | $300.00 | $6.00 | 1.05M | — | — | — | — |
TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · methodology v1.1 · measured 10 days ago
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Pricing variants · USD / MTok in / out
STANDARD
$10.00 / $50.00
per MTok in / out
BATCH
$5.00 / $25.00
async batch
CACHE READ $1.00CACHE WRITE $12.50WEB SEARCH $0.01 / search
Recent changesRSS ↗
Sep 5, 2026model added
About
GPT-6 Astra Pro is the same underlying model as GPT-6 Astra, served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...
Specifications
Context window1,050,000
Max output128,000
Modalities infile, image, text
Modalities outtext
LicenseProprietary
ReleasedSep 4, 2026
TokenizerGPT
Related
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[](https://modelindex.ai/models/openai/gpt-6-astra-pro)Sources
OpenRouter API24 minutes ago
AGGREGATORModelIndex benchmarks12 days ago
MEASUREDVerified 24 minutes ago · list prices, not negotiated rates.