GPT-6 Astra (Fast)

by OpenAIChat

Fast variant of GPT-6 Astra for low-latency assistance and high-volume workloads.

Context
1.05M tokens
Max output
128,000 tokens
Released
2026-09-04
Weights
Closed

openai/gpt-6-astra-fast

Specifications

Full facts as recorded, incl. what is unknown.

Released
2026-09-04
Weights
Closed
Input
Text, Image, PDF
Output
Text
Context window
1,050,000 max across endpoints
Max output
128,000
Providers
0 + 1 gateway, not counted as providers
Epoch Capabilities Index
not evaluated
Direct price range
$20 in at Vercel AI Gateway, via gateway, fees not verified
More details
Last updated
2026-09-04
Knowledge cutoff

Capabilities

Across all endpoints: supported if any endpoint supports it.

  • Tool calling
  • Parallel toolsunknown
  • Structured output
  • Reasoning
  • Image input
  • PDF input
  • Audio input
  • Audio outputunknown
  • Video input
  • Prompt cachingunknown
  • Web searchunknown
  • Computer useunknown
  • System messagesunknown
  • Assistant prefillunknown
  • Temperature
  • Streamingunknown
  • Attachments

Endpoints

One row per provider and variant; gateways are listed separately.

Loading endpoints…

Cost calculator

Loading endpoints…

Similarly priced models

Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).

ModelBlended/1MIn/1MOut/1MContextvs GPT-6 Astra (Fast)
GPT-4OpenAI$35$30$608.2K+5%
o3-proOpenAI$30$20$80200K−10% cheaper
GPT-5 ProOpenAI$29.25$13.50$108400K−12% cheaper
GPT-5.2 ProOpenAI$40.95$18.90$151.20400K+23%
Claude Opus 3Anthropic$25$15$75200K−25% cheaper
Claude Opus 4Anthropic$22.50$13.50$67.50200K−33% cheaper
Claude Opus 4.1Anthropic$22.50$13.50$67.50200K−33% cheaper
o1OpenAI$22.50$15$60200K−33% cheaper

More from OpenAI

Newest OpenAI models in the catalogue. All OpenAI models

ModelReleasedContextListed price
GPT-6.1 Sol Ultrafast2026-10-081.05Mfrom $12
GPT-6 Luna Decisions2026-10-061.05Munpriced
GPT-6.1 Sol2026-09-291.05Mfrom $2.00
GPT-6.1 Sol Pro2026-09-291.05Mfrom $2.00
GPT-6 Luna2026-09-221.05Mfrom $0.10
GPT-6 Sol2026-09-221.05Mfrom $2.00
GPT-6 Sol Pro2026-09-221.05Mfrom $2.00
GPT-6 Luna Pro2026-09-221.05Mfrom $0.10
Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model