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Nova Micro vs Claude Fable 5.1

At a glance

Amazon's ultra-fast text-only model for low-latency tasks.

128K ctx$0.04/$0.14 per M

Anthropic's upgraded Mythos-class flagship, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work.

1M ctx$10.00/$50.00 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
Cheaper100%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Specs
128K
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
Input100%$0.04/M tokens
Output100%$0.14/M tokens
Live pricing, shown before you run
Input$10.00/M tokens
Output$50.00/M tokens
Cache read$0.25/M tokens
Cache write$12.50/M tokens
Web search$0.01/search
Chat with Nova MicroGo to model
Chat with Claude Fable 5.1Go to model
Frequently Asked Questions: Nova Micro vs Claude Fable 5.1▼

Which is better, Nova Micro or Claude Fable 5.1?

▼

Both Nova Micro and Claude Fable 5.1 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 Micro or Claude Fable 5.1?

▼

Nova Micro has a lower blended cost. Nova Micro: $0.04 input / $0.14 output. Claude Fable 5.1: $10.00 input / $50.00 output.

Which has a larger context window, Nova Micro or Claude Fable 5.1?

▼

Claude Fable 5.1 has a larger context window: Nova Micro supports 128K tokens vs Claude Fable 5.1 at 1M tokens.

Do both Nova Micro and Claude Fable 5.1 support vision?

▼

Claude Fable 5.1 supports vision/image input, but Nova Micro does not.

What are the key differences between Nova Micro and Claude Fable 5.1?

▼

Key differences: Nova Micro is significantly cheaper; only Claude Fable 5.1 supports vision input; only Claude Fable 5.1 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 Micro and Claude Fable 5.1 for free on idapt.app to see which performs better for your specific needs.

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