# Claude Fable 5.1 vs Gemini 4 Carbon

As of Nov 3, 2026, Claude Fable 5.1 leads Gemini 4 Carbon in 0 of 6 shared categories.

## Pricing

Claude Fable 5.1: $20 per 1M blended tokens.

Gemini 4 Carbon: price per 1M tokens is unset in the catalog.

Claude Fable 5.1: closed weights.

Gemini 4 Carbon: closed weights.

## Benchmarks side by side

| Benchmark | Claude Fable 5.1 | Gemini 4 Carbon |
| --- | ---: | ---: |
| Excel Modeling Benchmark (EMB) | 76.7 | 76.5 |
| Legal Research Bench | 55.3 | 55.8 |
| LMArena Text (style-controlled, coding) | 1537 | 1573 |
| LMArena Text (style-controlled, hard prompts) | 1524 | 1548 |
| LMArena Text (style-controlled, longer query) | 1512 | 1542 |
| LMArena Text (style-controlled, overall) | 1504 | 1528 |
| LMArena Text factuality | 1500 | 1522 |
| LMArena WebDev | 1746 | 1768 |
| Tax Agent Bench | 49.2 | 51.8 |
| Vibe Code Bench | 90.3 | 89.1 |

## Verdict

As of Nov 3, 2026, Claude Fable 5.1 leads Gemini 4 Carbon in 0 of 6 shared categories.

- Which to pick, General LLM: As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in General LLM at #1 against #2.
- Which to pick, Reasoning: As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in Reasoning at #1 against #6.
- Which to pick, Coding › Web dev: As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in Coding › Web dev at #4 against #6.
- Which to pick, Long context: As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in Long context at #1 against #5.
- Which to pick, Factuality: As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in Factuality at #1 against #2.
- Which to pick, Legal: As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in Legal at #1 against #2.

As of Nov 3, 2026, Claude Fable 5.1 is near state of the art, rank #2 in General LLM (since Nov 3, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Nov 3, 2026, Gemini 4 Carbon is leading, crown pending confirmation in General LLM (since Nov 3, 2026; sources Vals Index and LMArena Text (style-controlled, overall); methodology v1.0).

## Related comparisons

- [Claude Opus 5.5 vs Gemini 4 Carbon](https://isitsota.com/compare/claude-opus-5-5-vs-gemini-4-carbon)
- [Claude Fable 5.1 vs Claude Opus 5.5](https://isitsota.com/compare/claude-fable-5-1-vs-claude-opus-5-5)
- [Gemini 4 Argon vs Gemini 4 Carbon](https://isitsota.com/compare/gemini-4-argon-vs-gemini-4-carbon)
- [Claude Fable 5.1 vs Gemini 4 Argon](https://isitsota.com/compare/claude-fable-5-1-vs-gemini-4-argon)
- [Gemini 4 Carbon vs Muse Wonder](https://isitsota.com/compare/gemini-4-carbon-vs-muse-wonder)
- [Gemini 4 Carbon vs GPT-6 Astra](https://isitsota.com/compare/gemini-4-carbon-vs-gpt-6-astra)
- [Claude Sonnet 5.5 vs Gemini 4 Carbon](https://isitsota.com/compare/claude-sonnet-5-5-vs-gemini-4-carbon)
- [Claude Fable 5.1 vs Muse Wonder](https://isitsota.com/compare/claude-fable-5-1-vs-muse-wonder)