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Claude Fable 5.1 vs MiniMax M2.1

At a glance

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

Updated MiniMax M2 model with enhanced capabilities.

205K ctx$0.30/$1.20 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
Agentic
Terminal Tasks—
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-07-10
Cheaper97%
Agentic
Terminal Tasks36.6%
Specs
1M
Context
128K
Max output
Sep 2026
Released
205K
Context
131K
Max output
Dec 2025
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$0.25/M tokens
Cache write$12.50/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input97%$0.30/M tokens
Output98%$1.20/M tokens
Cache read88%$0.03/M tokens
Chat with Claude Fable 5.1Go to model
Chat with MiniMax M2.1Go to model
Frequently Asked Questions: Claude Fable 5.1 vs MiniMax M2.1▼

Which is better, Claude Fable 5.1 or MiniMax M2.1?

▼

Both Claude Fable 5.1 and MiniMax M2.1 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, Claude Fable 5.1 or MiniMax M2.1?

▼

MiniMax M2.1 has a lower blended cost. Claude Fable 5.1: $10.00 input / $50.00 output. MiniMax M2.1: $0.30 input / $1.20 output.

Which has a larger context window, Claude Fable 5.1 or MiniMax M2.1?

▼

Claude Fable 5.1 has a larger context window: Claude Fable 5.1 supports 1M tokens vs MiniMax M2.1 at 205K tokens.

Do both Claude Fable 5.1 and MiniMax M2.1 support vision?

▼

Claude Fable 5.1 supports vision/image input, but MiniMax M2.1 does not.

What are the key differences between Claude Fable 5.1 and MiniMax M2.1?

▼

Key differences: MiniMax M2.1 is significantly cheaper; only Claude Fable 5.1 supports vision input. 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 Claude Fable 5.1 and MiniMax M2.1 for free on idapt.app to see which performs better for your specific needs.

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