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OpenAI logoGPT-6 AstraOpenAI
Best input$10.00 /MTok
Best output$50.00 /MTok
Batch in / out$5.00 / $25.00
Cache read$1.00
Measured TTFT4.3s°
Measured TPS187° tok/s
Context1.05M
Max output128K
Modalities infile, image, text
Tool calling
Structured output
Reasoning
Vision
Audio input
Prompt caching
Providers5
Cheapest providerOpenAI
LicenseProprietary
ReleasedSep 4, 2026
Cost at your workload
● = best of the compared models · TTFT/TPS: fastest measured endpoint per model (P50, trailing 21d, chat10k) · ° = via OpenRouter routing · ✕ = probed, no measurable stream · prices are standard tier