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Nova Pro vs Claude Opus 5.5

At a glance

Amazon's previous flagship Nova model with multimodal capabilities.

300K ctx$0.80/$3.20 per M

Anthropic's new flagship for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5.

1M ctx$4.00/$20.00 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
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper83%
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—
Agentic
Novel Reasoning—
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Reasoning & Knowledge
Graduate Science90.6%Factual Recall72.2%
Math
Competition Math100.0%
Agentic
Novel Reasoning92.5%
Specs
300K
Context
5K
Max output
Dec 2024
Released
1M
Context
128K
Max output
Sep 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input80%$0.80/M tokens
Output84%$3.20/M tokens
Live pricing, shown before you run
Input$4.00/M tokens
Output$20.00/M tokens
Cache read$0.20/M tokens
Cache write$5.00/M tokens
Web search$0.01/search
Chat with Nova ProGo to model
Chat with Claude Opus 5.5Go to model
Frequently Asked Questions: Nova Pro vs Claude Opus 5.5▼

Which is better, Nova Pro or Claude Opus 5.5?

▼

Both Nova Pro and Claude Opus 5.5 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, Nova Pro or Claude Opus 5.5?

▼

Nova Pro has a lower blended cost. Nova Pro: $0.80 input / $3.20 output. Claude Opus 5.5: $4.00 input / $20.00 output.

Which has a larger context window, Nova Pro or Claude Opus 5.5?

▼

Claude Opus 5.5 has a larger context window: Nova Pro supports 300K tokens vs Claude Opus 5.5 at 1M tokens.

Do both Nova Pro and Claude Opus 5.5 support vision?

▼

Yes, both Nova Pro and Claude Opus 5.5 support vision/image input.

What are the key differences between Nova Pro and Claude Opus 5.5?

▼

Key differences: Nova Pro is significantly cheaper; only Claude Opus 5.5 offers extended reasoning mode. Compare full specs on this page.

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 Nova Pro and Claude Opus 5.5 for free on idapt.app to see which performs better for your specific needs.

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