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Gemini 2.5 Pro vs Claude Fable 5

At a glance
GoogleGemini 2.5 Pro

Advanced reasoning model with thinking capabilities and audio support.

781.0M ctx$1.25/$10.00 per M#31/92
AnthropicClaude Fable 5

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

921M ctx$10.00/$50.00 per M#2/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
GoogleGemini 2.5 Pro
Reasoning
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI78.3
Reasoning & Knowledge
Graduate Science85.3%Factual Recall56.0%
Math
Competition Math84.2%Research Math14.1%
Coding
Real-World Coding57.6%
Agentic
Terminal Tasks32.6%
AnthropicClaude Fable 5
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter
Capability
CapabilityECI91.6
Reasoning & Knowledge
Graduate Science—Factual Recall68.3%
Math
Competition Math99.7%Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks—
Specs
GoogleGemini 2.5 Pro
1.0M
Context
66K
Max output
Jun 2025
Released
AnthropicClaude Fable 5
1M
Context
128K
Max output
Jun 2026
Released
Capabilities
GoogleGemini 2.5 Pro
Vision
Audio
Reasoning
AnthropicClaude Fable 5
Vision
Audio
Reasoning
Pricing
GoogleGemini 2.5 Pro
Live pricing, shown before you run
Input$1.25/M tokens
Output$10.00/M tokens
Reasoning$10.00/M tokens
Cache read$0.13/M tokens
Cache write$0.38/M tokens
Image input$1.25/M tokens
Audio input$1.25/M tokens
Web search$0.01/search
AnthropicClaude Fable 5
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
Chat with Gemini 2.5 ProGo to model
Chat with Claude Fable 5Go to model
Frequently Asked Questions: Gemini 2.5 Pro vs Claude Fable 5▼

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

▼

Based on the Capability Index, Claude Fable 5 scores higher (91.6 vs 78.3). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

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

▼

Gemini 2.5 Pro has a lower blended cost. Gemini 2.5 Pro: $1.25 input / $10.00 output. Claude Fable 5: $10.00 input / $50.00 output.

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

▼

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

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

▼

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

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

▼

Key differences: Claude Fable 5 has a notably higher capability index (13.3 point gap); Gemini 2.5 Pro 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 Pro and Claude Fable 5 for free on idapt.app to see which performs better for your specific needs.

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