token.app › Compare › GPT-6 Astra Pro vs Claude Opus 5

GPT-6 Astra Pro vs Claude Opus 5

Claude Opus 5 is 2.0× cheaper per token on a blended 3:1 basis. GPT-6 Astra Pro accepts the larger context window (1.1M).

Head to head
Blended price uses a 3:1 input:output mix
GPT-6 Astra ProClaude Opus 5
ProviderOpenAIAnthropic
Input $/1M$10.00$5.00
Output $/1M$50.00$25.00
Blended $/1M$20.00$10.00
Context window1.1M1M
Max output128K128K
ReleasedSep 2026Jul 2026
LicenceProprietaryProprietary
Choose GPT-6 Astra Pro if…
  • Larger context window (1.1M)
  • Newer model (released Sep 2026)
Choose Claude Opus 5 if…
  • Costs less per token — $10.00 vs $20.00 blended
FAQ
Which is better, GPT-6 Astra Pro or Claude Opus 5?
We do not hold independently-run benchmark scores covering both GPT-6 Astra Pro and Claude Opus 5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-6 Astra Pro cheaper than Claude Opus 5?
Claude Opus 5 is cheaper: $10.00 versus $20.00 per million tokens blended at 3:1 input:output. Input alone: $10.00 vs $5.00. Output alone: $50.00 vs $25.00.
What context windows do GPT-6 Astra Pro and Claude Opus 5 have?
GPT-6 Astra Pro: 1,050,000 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes GPT-6 Astra Pro and Claude Opus 5?
GPT-6 Astra Pro is made by OpenAI. Claude Opus 5 is made by Anthropic.
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