Home / All model prices / OpenAI / gpt-6-astra O OpenAI
gpt-6-astra OpenRouter price Model overview 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...
Context window 1,050,000 tokens
Knowledge cutoff —
Price last verified 2026-09-06
First observed 2026-09-05 Descriptions, capabilities, and tariffs come from the linked source. First-party prices take priority; OpenRouter fallbacks are labelled.
Current price Estimated API value in USD per million tokens, backed by OpenRouter's public Models API.
Input $10
Cached input $1
Cache write 5m $12.5
Cache write 1h —
Output $50 Capabilities and formats file image text include reasoning max completion tokens max tokens reasoning reasoning effort response format seed structured outputs tool choice tools Performance references No comparable benchmark data is currently available.
PRICE EVOLUTION Price history Original observation and every later change, including any change of price source.
Original observed price OpenRouter price 2026-09-05
Input: $10 Cached input: $1 Cache write 5m: $12.5 Cache write 1h: — Output: $50
