# Claude Fable 5.2 vs Grok 4.6

> Side-by-side benchmark comparison for Claude Fable 5.2 and Grok 4.6 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-fable-5-2-vs-grok-4-6
- Last updated: November 9, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Claude Fable 5.2 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Claude Fable 5.2 has the higher overall point estimate 91.19 to 66.54. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in knowledge, where the averages are 97.6 for Claude Fable 5.2 and 67.8 for Grok 4.6.
- The biggest single benchmark swing is ARC-AGI-3 in Reasoning, with scores of 65.7% and 2.1%.
- Grok 4.6 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Claude Fable 5.2 also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Fable 5.2 | Grok 4.6 |
|----------|----------|----------|
| Creator | Anthropic | xAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 500K |
| Overall Score | 91.19 | 66.54 |
| Benchmarks Covered | 30 | 24 |
| Pricing (input/output) | $8.00 / $40.00 | $2.00 / $6.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Claude Fable 5.2 public-lane score: 90.7 (Estimated · #1/132)
- Grok 4.6 public-lane score: 69.8 (Supported · #11/132)

| Benchmark | Claude Fable 5.2 | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 67.60% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 74.6% | Coming soon | Coming soon |
| AutomationBench | 51.4% | Coming soon | Coming soon |
| OSWorld 2.1 Offline | 89.3% | Coming soon | Coming soon |
| WANDR | 82.1% | Coming soon | Coming soon |
| Remote Labor Index | 41.3% | Coming soon | Coming soon |
| RoboDojo Sim | 64.9% | Coming soon | Coming soon |
| DRACO | 87.7% | Coming soon | Coming soon |
| Terminal-Bench 4.1 | Coming soon | 19.70% | Coming soon |
| Terminal-Bench 3.0 | Coming soon | 26.5% | Coming soon |
| APEX-Agents | Coming soon | 57.5% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 78.3% | Coming soon |
| ApprenticeBench | Coming soon | 13% | Coming soon |
| CWE-bench v1 | Coming soon | 57.0% | Coming soon |
| MazeBench | Coming soon | 1% | Coming soon |

### Coding

- Winner: Directional only
- Claude Fable 5.2 public-lane score: 86.9 (Estimated · #1/158)
- Grok 4.6 public-lane score: 58.6 (Supported · #23/158)

| Benchmark | Claude Fable 5.2 | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 93% | Coming soon | Coming soon |
| SWE Multilingual | 96.6% | Coming soon | Coming soon |
| SWE Multimodal | 74.1% | Coming soon | Coming soon |
| DeepSWE | 74.3% | 65.9% | Claude Fable 5.2 |
| FrontierSWE v2 | 69.9% | 25.3% | Claude Fable 5.2 |
| ProgramBench | 85.6% | Coming soon | Coming soon |
| FrontierCode 2.0 | 49.1% | Coming soon | Coming soon |
| CursorBench 4.0 | 60.0% | 41.4% | Claude Fable 5.2 |
| Bug Hunt Bench | Coming soon | 27.0 fixes | Coming soon |
| CursorBench 3.2 | Coming soon | 70.8% | Coming soon |
| FrontierCode 1.1 Extended | Coming soon | 61.3% | Coming soon |
| VulcanBench v3 | Coming soon | 87.0% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 88.2% | Coming soon |
| SWE-bench (Vals) | Coming soon | 95.6% | Coming soon |

### Reasoning

- Winner: Claude Fable 5.2
- Claude Fable 5.2 public-lane score: 90.7 (Supported · #1/157)
- Grok 4.6 public-lane score: 65 (Supported · #21/157)

| Benchmark | Claude Fable 5.2 | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-3 | 65.7% | 2.1% | Claude Fable 5.2 |
| ARC-AGI-3 Provider Adapter | 94.90% | Coming soon | Coming soon |
| STEM Professor Bench | 61.8% | Coming soon | Coming soon |
| ARC-AGI-1 | Coming soon | 87.00% | Coming soon |
| ARC-AGI-2 | Coming soon | 67.1% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Fable 5.2 public-lane score: 89.8 (Estimated · #1/67)
- Grok 4.6 public-lane score: Coming soon

| Benchmark | Claude Fable 5.2 | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| Chartography (no tools) | 73.4% | Coming soon | Coming soon |
| Chartography (tools) | 91.6% | Coming soon | Coming soon |
| OfficeQA | 83.4% | Coming soon | Coming soon |
| OfficeQA Pro | 72.9% | Coming soon | Coming soon |
| BenchCAD 2.1 | 75.4% | Coming soon | Coming soon |
| BenchCAD 2.1 (tools) | 83.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Claude Fable 5.2
- Claude Fable 5.2 public-lane score: 97.6 (Supported · #1/179)
- Grok 4.6 public-lane score: 67.8 (Supported · #21/179)

| Benchmark | Claude Fable 5.2 | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| HLE | 74.2% | Coming soon | Coming soon |
| HLE w/o tools | 73.2% | Coming soon | Coming soon |
| PhysicianBench | 64.4% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 94.7% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 89.4% | Coming soon |

### Multilingual

- Winner: Not comparable
- Claude Fable 5.2 public-lane score: Coming soon
- Grok 4.6 public-lane score: Coming soon

| Benchmark | Claude Fable 5.2 | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| GMMLU | 96.0% | Coming soon | Coming soon |
| MILU | 94.1% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Fable 5.2 public-lane score: Coming soon
- Grok 4.6 public-lane score: Coming soon

| Benchmark | Claude Fable 5.2 | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 51.8% | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Fable 5.2 public-lane score: Coming soon
- Grok 4.6 public-lane score: 66.6 (Unranked · 2 rankable rows)

| Benchmark | Claude Fable 5.2 | Grok 4.6 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 65.965% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 31.707% | Coming soon |

## FAQ

### Which is better overall, Claude Fable 5.2 or Grok 4.6?

Claude Fable 5.2 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Claude Fable 5.2 and Grok 4.6?

The widest category gap is in knowledge, where the averages are 97.6 for Claude Fable 5.2 and 67.8 for Grok 4.6.

### How many benchmarks does Claude Fable 5.2 cover on BenchLM?

Claude Fable 5.2 currently has 30 sourced benchmark scores on BenchLM.

### How many benchmarks does Grok 4.6 cover on BenchLM?

Grok 4.6 currently has 24 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Fable 5.2 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-claude-fable-5-2)
- [Grok 4.6 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-grok-4-6)
- [Claude Fable 5.2 vs Claude Fable 5](/compare/claude-fable-vs-claude-fable-5-2)
- [Grok 4.6 vs Claude Fable 5](/compare/claude-fable-vs-grok-4-6)

## Explore More

- [Claude Fable 5.2 profile](/models/claude-fable-5-2)
- [Grok 4.6 profile](/models/grok-4-6)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)