# Claude Sonnet 5 vs GPT-4.1 mini

> Side-by-side benchmark comparison for Claude Sonnet 5 and GPT-4.1 mini across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-sonnet-5-vs-gpt-4-1-mini
- Last updated: September 21, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude Sonnet 5 and GPT-4.1 mini share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- GPT-4.1 mini has the lower published output-token price.

## Model Snapshot

| Property | Claude Sonnet 5 | GPT-4.1 mini |
|----------|----------|----------|
| Creator | Anthropic | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 69.62 | 33.68 |
| Benchmarks Covered | 26 | 5 |
| Pricing (input/output) | $2.00 / $10.00 | $0.40 / $1.60 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Sonnet 5 public-lane score: 66.1 (Supported · #11/154)
- GPT-4.1 mini public-lane score: 37.6 (Estimated · #129/154)

| Benchmark | Claude Sonnet 5 | GPT-4.1 mini | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 14.6% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 80.4% | Coming soon | Coming soon |
| BrowseComp | 84.7% | Coming soon | Coming soon |
| HLE w/ tools | 57.4% | Coming soon | Coming soon |
| OSWorld-Verified | 81.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 74.5% | Coming soon | Coming soon |
| ApprenticeBench | 16% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Sonnet 5 public-lane score: 64.8 (Supported · #13/156)
- GPT-4.1 mini public-lane score: 36 (Estimated · #133/156)

| Benchmark | Claude Sonnet 5 | GPT-4.1 mini | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 85.2% | 23.6% | Claude Sonnet 5 |
| SWE-bench Pro | 63.2% | Coming soon | Coming soon |
| SWE Multilingual | 78.3% | Coming soon | Coming soon |
| SWE Multimodal | 28.1% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 80.4% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 42.7% | Coming soon | Coming soon |
| cursorBench32 | 61.5% | Coming soon | Coming soon |
| VulcanBench CII v1 | 89.2% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 82.4% | Coming soon | Coming soon |
| SWE-bench (Vals) | 79.6% | Coming soon | Coming soon |
| cursorBench40 | 34.1% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Sonnet 5 public-lane score: 77.4 (Unranked · 2 rankable rows)
- GPT-4.1 mini public-lane score: 51.3 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Sonnet 5 public-lane score: 77.4 (#14/49)
- GPT-4.1 mini public-lane score: 46.6 (Unranked · 1 rankable row)

| Benchmark | Claude Sonnet 5 | GPT-4.1 mini | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 88.3% | Coming soon | Coming soon |
| CharXiv w/o tools | 77% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Sonnet 5 public-lane score: 66.8 (Supported · #20/186)
- GPT-4.1 mini public-lane score: 34.8 (Supported · #165/186)

| Benchmark | Claude Sonnet 5 | GPT-4.1 mini | Winner |
|-----------|-----------|-----------|--------|
| HLE | 57.4% | Coming soon | Coming soon |
| HLE w/o tools | 43.2% | Coming soon | Coming soon |
| HLE-Verified | 31.0% | Coming soon | Coming soon |
| LABBench2 | 80.1% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 88.9% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 87.5% | Coming soon | Coming soon |
| MMLU | Coming soon | 87.5% | Coming soon |
| GPQA | Coming soon | 64.2% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Sonnet 5 public-lane score: Coming soon
- GPT-4.1 mini public-lane score: 42.8 (#94/124)

| Benchmark | Claude Sonnet 5 | GPT-4.1 mini | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 88.5% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude Sonnet 5 public-lane score: Coming soon
- GPT-4.1 mini public-lane score: 28.4 (Unranked · 1 rankable row)

| Benchmark | Claude Sonnet 5 | GPT-4.1 mini | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 4.483% | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude Sonnet 5 and GPT-4.1 mini?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Claude Sonnet 5 vs GPT-4.1](/compare/claude-sonnet-5-vs-gpt-4-1)
- [GPT-4.1 mini vs GPT-4.1](/compare/gpt-4-1-vs-gpt-4-1-mini)
- [Claude Sonnet 5 vs GPT-4.1 nano](/compare/claude-sonnet-5-vs-gpt-4-1-nano)
- [GPT-4.1 mini vs GPT-4.1 nano](/compare/gpt-4-1-mini-vs-gpt-4-1-nano)

## Explore More

- [Claude Sonnet 5 profile](/models/claude-sonnet-5)
- [GPT-4.1 mini profile](/models/gpt-4-1-mini)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)