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.
Claude Fable 5.1
Close. Near-SOTA in General LLM, rank #2.
Gemini 4 Carbon
Too new. Too new to call. The crown still needs confirming evidence.
| Category | Claude Fable 5.1 | Gemini 4 Carbon |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.1873184286977505 LMArena leaderboard dataset · Oct 28, 2026 | #1 · Leading · crown pending Margin 0 Vals AI · Nov 3, 2026 |
| Reasoning | #6 · Was SOTA · Reasoning Margin 4.166666666666671 LMArena leaderboard dataset · Oct 28, 2026 | #1 · Leading · crown pending Margin 0 LMArena leaderboard dataset · Oct 28, 2026 |
| Math | #2 · Near-SOTA · Math Margin 2.2222222222222285 Epoch AI benchmarking hub · Sep 1, 2026 | — |
| Science | #4 · #4 in Science Margin — Vals AI · Oct 30, 2026 | — |
| Coding | #5 · #5 in Coding Margin 17.101571268237933 Terminal-Bench Harbor Hub · Oct 23, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 28, 2026 |
| Coding › Agentic | #3 · Near-SOTA · Coding › Agentic Margin 18.181818181818187 Terminal-Bench Harbor Hub · Oct 23, 2026 | — |
| Coding › Web dev | #6 · Near-SOTA · Coding › Web dev Margin 3.90625 LMArena leaderboard dataset · Oct 28, 2026 | #4 · Pending · Coding › Web dev Margin 2.34375 LMArena leaderboard dataset · Oct 28, 2026 |
| Long context | #5 · Near-SOTA · Long context Margin 3.5714285714285694 LMArena leaderboard dataset · Oct 28, 2026 | #1 · Leading · crown pending Margin 0 LMArena leaderboard dataset · Oct 28, 2026 |
| Vision | #6 · #6 in Vision Margin 18.421052631578945 Epoch AI benchmarking hub · Sep 1, 2026 | — |
| Factuality | #2 · Near-SOTA · Factuality Margin 1.2269938650306784 LMArena leaderboard dataset · Oct 28, 2026 | #1 · Leading · crown pending Margin 0 LMArena leaderboard dataset · Oct 28, 2026 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 1, 2026 | — |
| Cybersecurity | #7 · #7 in Cybersecurity Margin 21.875 Vals AI · Oct 27, 2026 | — |
| Finance | #7 · #7 in Finance Margin 7.407407407407405 Vals AI · Oct 27, 2026 | — |
| Legal | #2 · #2 in Legal Margin — Vals AI · Nov 3, 2026 | #1 · Pending · Legal Margin — Vals AI · Nov 3, 2026 |
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 |
Latest validated result for each model. Benchmarks where only one model has a result are left out.
Verdict
As of Nov 3, 2026, Claude Fable 5.1 leads Gemini 4 Carbon in 0 of 6 shared categories.
General LLM: As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in General LLM at #1 against #2.
Reasoning: As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in Reasoning at #1 against #6.
Coding › Web dev: As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in Coding › Web dev at #4 against #6.
Long context: As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in Long context at #1 against #5.
Factuality: As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in Factuality at #1 against #2.
Legal: As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in Legal at #1 against #2.
Claude Fable 5.1 · Gemini 4 Carbon
Claude Fable 5.1 or Gemini 4 Carbon?
As of Nov 3, 2026, Claude Fable 5.1 leads Gemini 4 Carbon in 0 of 6 shared categories.
Claude Fable 5.1 or Gemini 4 Carbon for General LLM?
As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in General LLM at #1 against #2.
Claude Fable 5.1 or Gemini 4 Carbon for Reasoning?
As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in Reasoning at #1 against #6.
Claude Fable 5.1 or Gemini 4 Carbon for Coding › Web dev?
As of Nov 3, 2026, Gemini 4 Carbon leads Claude Fable 5.1 in Coding › Web dev at #4 against #6.