OpenAI: GPT-6 Astra Pro ($$$$)
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. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Context
1,050,000
Max output
128,000
Input / 1M
$10.00
Output / 1M
$50.00
Providers
4
01Profile
Profile
Released
2026-09-04
Last updated
2026-09-05
Knowledge cutoff
—
Weights
Closed
02Capabilities
Capabilities
Input
pdf · image · text
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
—
Cache write
—
03Pricing
Pricing across 4 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
4+ recent events since 2026-09-04
2026-09-05Addedveniceoffering→ new
2026-09-04Addedkilooffering→ new
2026-09-04Addednano-gptoffering→ new
2026-09-04Addedopenrouteroffering→ new