# Claude Sonnet 4.5 Thinking vs Ling 3.1 Flash

> Side-by-side benchmark comparison for Claude Sonnet 4.5 Thinking and Ling 3.1 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-sonnet-4-5-thinking-vs-ling-3-1-flash
- Last updated: September 30, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Claude Sonnet 4.5 Thinking and Ling 3.1 Flash.

## Summary

- Claude Sonnet 4.5 Thinking and Ling 3.1 Flash do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Claude Sonnet 4.5 Thinking | Ling 3.1 Flash |
|----------|----------|----------|
| Creator | Anthropic | InclusionAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 262K |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 1 | 8 |
| Pricing (input/output) | N/A | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Sonnet 4.5 Thinking public-lane score: Coming soon
- Ling 3.1 Flash public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.5 Thinking | Ling 3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| skillsBench | Coming soon | 68.7% | Coming soon |
| AutomationBench | Coming soon | 52.5% | Coming soon |
| CyberGym | Coming soon | 87.9% | Coming soon |
| Finance Agent v2 | Coming soon | 57.9% | Coming soon |
| DRACO | Coming soon | 85.5% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Sonnet 4.5 Thinking public-lane score: Coming soon
- Ling 3.1 Flash public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.5 Thinking | Ling 3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 22.62% | Coming soon | Coming soon |
| terminalBench4 | Coming soon | 40.4% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 55.9% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Sonnet 4.5 Thinking public-lane score: Coming soon
- Ling 3.1 Flash public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.5 Thinking | Ling 3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| HealthBench Professional | Coming soon | 65.3% | Coming soon |

## FAQ

### Can I compare Claude Sonnet 4.5 Thinking and Ling 3.1 Flash on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Claude Sonnet 4.5 Thinking vs Claude Sonnet 4.5](/compare/claude-sonnet-4-5-vs-claude-sonnet-4-5-thinking)
- [Ling 3.1 Flash vs Claude Sonnet 4.5](/compare/claude-sonnet-4-5-vs-ling-3-1-flash)
- [Claude Sonnet 4.5 Thinking vs GPT-6 Astra](/compare/claude-sonnet-4-5-thinking-vs-gpt-6-astra)
- [Ling 3.1 Flash vs GPT-6 Astra](/compare/gpt-6-astra-vs-ling-3-1-flash)

## Explore More

- [Claude Sonnet 4.5 Thinking profile](/models/claude-sonnet-4-5-thinking)
- [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)