# Claude Fable 5.2 vs Ling 3.1 Flash

> Side-by-side benchmark comparison for Claude Fable 5.2 and Ling 3.1 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-fable-5-2-vs-ling-3-1-flash
- Last updated: November 9, 2026

- Shared sourced benchmarks: 6
- 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 65.26. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 90.7 for Claude Fable 5.2 and 61.7 for Ling 3.1 Flash.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 74.2% and 37.4%.
- Ling 3.1 Flash 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 | Ling 3.1 Flash |
|----------|----------|----------|
| Creator | Anthropic | InclusionAI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 262K |
| Overall Score | 91.19 | 65.26 |
| Benchmarks Covered | 30 | 17 |
| Pricing (input/output) | $8.00 / $40.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Directional only
- Claude Fable 5.2 public-lane score: 90.7 (Estimated · #1/132)
- Ling 3.1 Flash public-lane score: 63 (Estimated · #21/132)

| Benchmark | Claude Fable 5.2 | Ling 3.1 Flash | 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% | 52.5% | Ling 3.1 Flash |
| 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% | 85.5% | Claude Fable 5.2 |
| skillsBench | Coming soon | 68.7% | Coming soon |
| CyberGym | Coming soon | 87.9% | Coming soon |
| Finance Agent v2 | Coming soon | 57.9% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 81.2% | Coming soon |
| τ³-bench results | Coming soon | 47.8% | Coming soon |
| MCP Atlas | Coming soon | 83% | Coming soon |
| BrowseComp | Coming soon | 91.7% | Coming soon |
| WideResearch | Coming soon | 83.3% | Coming soon |

### Coding

- Winner: Directional only
- Claude Fable 5.2 public-lane score: 86.9 (Estimated · #1/158)
- Ling 3.1 Flash public-lane score: 58.1 (Estimated · #24/158)

| Benchmark | Claude Fable 5.2 | Ling 3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 93% | 68.7% | Claude Fable 5.2 |
| SWE Multilingual | 96.6% | 88.5% | Claude Fable 5.2 |
| SWE Multimodal | 74.1% | Coming soon | Coming soon |
| DeepSWE | 74.3% | 59.7% | Claude Fable 5.2 |
| FrontierSWE v2 | 69.9% | Coming soon | Coming soon |
| ProgramBench | 85.6% | Coming soon | Coming soon |
| FrontierCode 2.0 | 49.1% | Coming soon | Coming soon |
| CursorBench 4.0 | 60.0% | Coming soon | Coming soon |
| terminalBench4 | Coming soon | 46.0% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 64.5% | Coming soon |

### Reasoning

- Winner: Directional only
- Claude Fable 5.2 public-lane score: 90.7 (Supported · #1/157)
- Ling 3.1 Flash public-lane score: 61.7 (Estimated · #27/157)

| Benchmark | Claude Fable 5.2 | Ling 3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-3 | 65.7% | Coming soon | Coming soon |
| ARC-AGI-3 Provider Adapter | 94.90% | Coming soon | Coming soon |
| STEM Professor Bench | 61.8% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Fable 5.2 public-lane score: 89.8 (Estimated · #1/67)
- Ling 3.1 Flash public-lane score: Coming soon

| Benchmark | Claude Fable 5.2 | Ling 3.1 Flash | 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: Not comparable
- Claude Fable 5.2 public-lane score: 97.6 (Supported · #1/179)
- Ling 3.1 Flash public-lane score: Coming soon

| Benchmark | Claude Fable 5.2 | Ling 3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| HLE | 74.2% | 37.4% | Claude Fable 5.2 |
| HLE w/o tools | 73.2% | Coming soon | Coming soon |
| PhysicianBench | 64.4% | Coming soon | Coming soon |
| HealthBench Professional | Coming soon | 65.3% | Coming soon |

### Multilingual

- Winner: Not comparable
- Claude Fable 5.2 public-lane score: Coming soon
- Ling 3.1 Flash public-lane score: Coming soon

| Benchmark | Claude Fable 5.2 | Ling 3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| GMMLU | 96.0% | Coming soon | Coming soon |
| MILU | 94.1% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Claude Fable 5.2 or Ling 3.1 Flash?

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 Ling 3.1 Flash?

The widest category gap is in reasoning, where the averages are 90.7 for Claude Fable 5.2 and 61.7 for Ling 3.1 Flash.

### 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 Ling 3.1 Flash cover on BenchLM?

Ling 3.1 Flash currently has 17 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)
- [Ling 3.1 Flash vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-ling-3-1-flash)
- [Claude Fable 5.2 vs Claude Fable 5](/compare/claude-fable-vs-claude-fable-5-2)
- [Ling 3.1 Flash vs Claude Fable 5](/compare/claude-fable-vs-ling-3-1-flash)

## Explore More

- [Claude Fable 5.2 profile](/models/claude-fable-5-2)
- [Ling 3.1 Flash profile](/models/ling-3-1-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)