Claude Fable 5.1 vs Gemini 3.1 Pro
Anthropic vs Google — compared on intelligence, speed, price, and capabilities.
Quick answer
Claude Fable 5.1 scores higher on intelligence (99 vs 92), while Gemini 3.1 Pro is about 3x cheaper per million output tokens and is faster.
 Claude Fable 5.1 |  Gemini 3.1 Pro | |
|---|---|---|
| Intelligence | 99 | 92 |
| Speed | 35 | 68 |
| Input $ / 1M tokens | $10 | $4 |
| Output $ / 1M tokens | $50 | $18 |
Claude Fable 5.1Anthropic's most capable generally available Claude model for demanding reasoning, long-running agentic coding, research, and complex knowledge work.
- ✓ reasoning
- ✓ web search
- ✓ reasoning effort
- ✓ vision
- ✓ documents
- ✓ image generation
Gemini 3.1 ProRefined Gemini 3 Pro with better thinking, improved token efficiency, and enhanced factual consistency. Optimized for software engineering behavior, agentic workflows, and precise multi-step execution across real-world domains.
- ✓ reasoning
- ✓ temperature
- ✓ web search
- ✓ reasoning effort
- ✓ image generation
Frequently asked questions
- Claude Fable 5.1 vs Gemini 3.1 Pro: which is better?
- Claude Fable 5.1 scores higher on intelligence (99 vs 92), while Gemini 3.1 Pro is about 3x cheaper per million output tokens and is faster.
- Which is cheaper?
- Gemini 3.1 Pro is about 3x cheaper: Claude Fable 5.1 lists at $50 and Gemini 3.1 Pro at $18 per million output tokens.
- Which is better for coding?
- Claude Fable 5.1 is the stronger pick for hard coding work: it scores higher on intelligence (99 vs 92), and it can reason step by step before answering. For quick edits, the faster or cheaper model is often enough.
- Can I use both together?
- Yes. In EVA's Multi Chat you send one prompt to Claude Fable 5.1 and Gemini 3.1 Pro at once and read the answers side by side, or use Split Chat to run two separate conversations next to each other. Both draw on the same EVA credit balance.
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