Claude Fable 5vsGemini 3.1 Pro Preview
Across 3 shared benchmarks, Claude Fable 5 leads overall: Claude Fable 5 wins 3, Gemini 3.1 Pro Preview wins 0, with 0 ties and an average score difference of +16.03.
Claude Fable 5
Anthropic · 2026-06-09 · Reasoning model
Gemini 3.1 Pro Preview
Google Deep Mind · 2026-02-20 · Multimodal model
Claude Fable 53 wins(100%)(0%)0 winsGemini 3.1 Pro Preview
Benchmark scores
Grouped by capability, sorted by largest gap within each. 3 shared benchmarks.
Coding and Software Engineer
Claude Fable 5 2/2| Benchmark | Claude Fable 5 | Gemini 3.1 Pro Preview | Diff |
|---|---|---|---|
| SWE-Bench Pro - Public | 80.301 / 43Deep Thinking (With Tools) | 54.2023 / 43Thinking High (With Tools) | +26.10 |
| SWE-bench Verified | 951 / 108Deep Thinking (With Tools) | 80.6010 / 108Thinking High (With Tools) | +14.40 |
General Knowledge
Claude Fable 5 1/1Specs
| 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 | 32K |
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 (2/2), General Knowledge (1/1)
On average across the 3 shared benchmarks, Claude Fable 5 scores 16.03 higher.
Largest single-benchmark gap: SWE-Bench Pro - Public — Claude Fable 5 80.30 vs Gemini 3.1 Pro Preview 54.20 (+26.10).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.