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Gemini 2.5 Flash vs Claude Fable 5

At a glance

Fast workhorse model with built-in thinking and audio support.

731.0M ctx$0.30/$2.50 per M#50/92

Anthropic's Mythos-class flagship for ambitious, long-running professional work.

921M ctx$10.00/$50.00 per M#2/92
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
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper96%
Capability
CapabilityECI72.9
Reasoning & Knowledge
Factual Recall—
Math
Competition Math—Research Math4.8%
Agentic
Terminal Tasks17.1%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter26%
Capability
CapabilityECI26%91.6
Reasoning & Knowledge
Factual Recall68.3%
Math
Competition Math99.7%Research Math—
Agentic
Terminal Tasks—
Specs
1.0M
Context
66K
Max output
Jun 2025
Released
1M
Context
128K
Max output
Jun 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input97%$0.30/M tokens
Output95%$2.50/M tokens
Reasoning$2.50/M tokens
Cache read97%$0.03/M tokens
Cache write99%$0.08/M tokens
Image input$0.30/M tokens
Audio input$1.00/M tokens
Web search$0.01/search
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 search29%$0.01/search
Chat with Gemini 2.5 FlashGo to model
Chat with Claude Fable 5Go to model
Frequently Asked Questions: Gemini 2.5 Flash vs Claude Fable 5▼

Which is better, Gemini 2.5 Flash or Claude Fable 5?

▼

Based on the Capability Index, Claude Fable 5 scores higher (91.6 vs 72.9). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, Gemini 2.5 Flash or Claude Fable 5?

▼

Gemini 2.5 Flash has a lower blended cost. Gemini 2.5 Flash: $0.30 input / $2.50 output. Claude Fable 5: $10.00 input / $50.00 output.

Which has a larger context window, Gemini 2.5 Flash or Claude Fable 5?

▼

Gemini 2.5 Flash has a larger context window: Gemini 2.5 Flash supports 1M tokens vs Claude Fable 5 at 1M tokens.

Do both Gemini 2.5 Flash and Claude Fable 5 support vision?

▼

Yes, both Gemini 2.5 Flash and Claude Fable 5 support vision/image input.

What are the key differences between Gemini 2.5 Flash and Claude Fable 5?

▼

Key differences: Claude Fable 5 has a notably higher capability index (18.7 point gap); Gemini 2.5 Flash is significantly cheaper. 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 Gemini 2.5 Flash and Claude Fable 5 for free on idapt.app to see which performs better for your specific needs.

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