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Gemini 3 Pro vs Claude Fable 5

At a glance

Google's flagship model for high-precision multimodal reasoning.

85#14/92

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

921M ctx$10.00/$50.00 per M#2/92
Agent Demos
All agent demos

No shared agent demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Sources:Epoch ECI·Epoch AI· as of 2026-07-10
Capability
CapabilityECI84.8
Reasoning & Knowledge
Graduate Science92.6%Expert-Level37.5%Factual Recall7%72.9%
Math
Competition Math91.4%Research Math37.6%
Coding
Real-World Coding72.9%
Agentic
Terminal Tasks69.4%Novel Reasoning31.1%Task Horizon3.7h
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter8%
Capability
CapabilityECI8%91.6
Reasoning & Knowledge
Graduate Science—Expert-Level—Factual Recall68.3%
Math
Competition Math9%99.7%Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks—Novel Reasoning—Task Horizon—
Specs
—
Context
—
Max output
—
Released
1M
Context
128K
Max output
Jun 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Pricing not available
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 3 ProGo to model
Chat with Claude Fable 5Go to model
Frequently Asked Questions: Gemini 3 Pro vs Claude Fable 5▼

Which is better, Gemini 3 Pro or Claude Fable 5?

▼

Based on the Capability Index, Claude Fable 5 scores higher (91.6 vs 84.8). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Do both Gemini 3 Pro and Claude Fable 5 support vision?

▼

Claude Fable 5 supports vision/image input, but Gemini 3 Pro does not.

What are the key differences between Gemini 3 Pro and Claude Fable 5?

▼

Key differences: Claude Fable 5 has a notably higher capability index (6.8 point gap); only Claude Fable 5 supports vision input; only Claude Fable 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 Gemini 3 Pro and Claude Fable 5 for free on idapt.app to see which performs better for your specific needs.

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