Claude Fable 5vsGemini 3.1 Pro Preview
Across 11 shared benchmarks, Claude Fable 5 leads overall: Claude Fable 5 wins 10, Gemini 3.1 Pro Preview wins 1, with 0 ties and an average score difference of +84.24.
Claude Fable 5
Anthropic · 2026-06-09 · Reasoning model
Gemini 3.1 Pro Preview
Google Deep Mind · 2026-02-20 · Multimodal model
Claude Fable 510 wins(91%)(9%)1 winGemini 3.1 Pro Preview
Benchmark scores
Grouped by capability, sorted by largest gap within each. 11 shared benchmarks.
Coding and Software Engineer
Claude Fable 5 4/4| Benchmark | Claude Fable 5 | Gemini 3.1 Pro Preview | Diff |
|---|---|---|---|
| DeepSWE | 702 / 27Deep Thinking (With Tools) | 1227 / 27Thinking High (With Tools) | +58 |
| SWE-Bench Pro - Public | 80.301 / 57Deep Thinking (With Tools) | 54.2034 / 57Thinking High (With Tools) | +26.10 |
| WeirdML v2 | 87.853 / 52Thinking High (With Tools) | 72.1017 / 52Normal (With Tools) | +15.75 |
| SWE-bench Verified | 952 / 114Deep Thinking (With Tools) | 80.6011 / 114Thinking High (With Tools) | +14.40 |
AI Agent - Tool Usage
Claude Fable 5 3/3| Benchmark | Claude Fable 5 | Gemini 3.1 Pro Preview | Diff |
|---|---|---|---|
| Terminal-Bench 2.1 | 884 / 44Deep Thinking (With Tools) | 73.8028 / 44Thinking High (With Tools) | +14.20 |
| OSWorld-Verified | 851 / 26Thinking High (With Tools) | 76.2012 / 26Thinking (With Tools) | +8.80 |
| MCP-Atlas | 83.305 / 38Normal (With Tools) | 78.2012 / 38Thinking High (With Tools) | +5.10 |
General Knowledge
Even 2/2| Benchmark | Claude Fable 5 | Gemini 3.1 Pro Preview | Diff |
|---|---|---|---|
| HLE | 595 / 181Deep Thinking (No Tools) | 51.4024 / 181Thinking High (With Tools) | +7.60 |
| LiveBench | 78.315 / 115Deep Thinking (No Tools) | 79.933 / 115Thinking High (No Tools) | -1.62 |
Commonsense Reasoning
Claude Fable 5 1/1| Benchmark | Claude Fable 5 | Gemini 3.1 Pro Preview | Diff |
|---|---|---|---|
| SimpleBench | 81.901 / 67Normal (No Tools) | 79.602 / 67Normal (No Tools) | +2.30 |
Productivity Knowledge
Claude Fable 5 1/1| Benchmark | Claude Fable 5 | Gemini 3.1 Pro Preview | Diff |
|---|---|---|---|
| GDPval-AA v2 | 1,7414 / 13Max (With Tools) | 96512 / 13Thinking (No Tools) | +776 |
Specs
| Field | Claude Fable 5 | Gemini 3.1 Pro Preview |
|---|---|---|
| Publisher | Anthropic | Google Deep Mind |
| Release date | 2026-06-09 | 2026-02-20 |
| Model type | Reasoning model | Multimodal model |
| Architecture | Dense | Dense |
| Parameters | Not available | Not available |
| Context length | 1M | 1M |
| Max output | 128K | 64K |
API pricing
Prices use DataLearner records when available; missing fields are not inferred.
| Item | Claude Fable 5 | Gemini 3.1 Pro Preview |
|---|---|---|
| Text input | $10 / 1M tokens | $2 / 1M tokens |
| Text output | $50 / 1M tokens | $12 / 1M tokens |
| Cache read | $1 / 1M tokens | Not public |
| Cache write | $12.5 / 1M tokens | Not public |
Summary
- Claude Fable 5leads in:Coding and Software Engineer (4/4), AI Agent - Tool Usage (3/3), Commonsense Reasoning (1/1), Productivity Knowledge (1/1)
- Tied in:General Knowledge
On average across the 11 shared benchmarks, Claude Fable 5 scores 84.24 higher.
Largest single-benchmark gap: GDPval-AA v2 — Claude Fable 5 1,741 vs Gemini 3.1 Pro Preview 965 (+776).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.