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GPT 6 Astra Pro vs Claude Opus 5

At a glance

OpenAI's GPT-6 Astra served in pro reasoning mode for the hardest problems.

1.1M ctx$10.00/$50.00 per M

Anthropic's flagship for demanding reasoning, coding, and long-horizon agentic work.

1M ctx$5.00/$25.00 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper50%
Specs
1.1M
Context
128K
Max output
Sep 2026
Released
1M
Context
128K
Max output
Jul 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$10.00/M tokens
Output$50.00/M tokens
Cache read$1.00/M tokens
Cache write$12.50/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input50%$5.00/M tokens
Output50%$25.00/M tokens
Cache read50%$0.50/M tokens
Cache write50%$6.25/M tokens
Web search$0.01/search
Chat with GPT 6 Astra ProGo to model
Chat with Claude Opus 5Go to model
Frequently Asked Questions: GPT 6 Astra Pro vs Claude Opus 5▼

Which is better, GPT 6 Astra Pro or Claude Opus 5?

▼

Both GPT 6 Astra Pro and Claude Opus 5 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, GPT 6 Astra Pro or Claude Opus 5?

▼

Claude Opus 5 has a lower blended cost. GPT 6 Astra Pro: $10.00 input / $50.00 output. Claude Opus 5: $5.00 input / $25.00 output.

Which has a larger context window, GPT 6 Astra Pro or Claude Opus 5?

▼

GPT 6 Astra Pro has a larger context window: GPT 6 Astra Pro supports 1.1M tokens vs Claude Opus 5 at 1M tokens.

Do both GPT 6 Astra Pro and Claude Opus 5 support vision?

▼

Yes, both GPT 6 Astra Pro and Claude Opus 5 support vision/image input.

What are the key differences between GPT 6 Astra Pro and Claude Opus 5?

▼

GPT 6 Astra Pro and Claude Opus 5 have similar overall capabilities. The main differences lie in pricing, context window size, and provider-specific strengths. Use this comparison page to review all metrics side by side.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 6 Astra Pro and Claude Opus 5 for free on idapt.app to see which performs better for your specific needs.

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