# Claude Haiku 4.5 vs Gemini 3.1 Pro

> Side-by-side benchmark comparison for Claude Haiku 4.5 and Gemini 3.1 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-haiku-4-5-vs-gemini-3-1-pro
- Last updated: October 17, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Gemini 3.1 Pro leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Gemini 3.1 Pro has the higher overall point estimate 64.7 to 41.16. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in knowledge, where the averages are 33.3 for Claude Haiku 4.5 and 67.6 for Gemini 3.1 Pro.
- The biggest single benchmark swing is LiveCodeBench (Vals) in Coding, with scores of 41.2% and 88.5%.
- Claude Haiku 4.5 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Gemini 3.1 Pro also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Haiku 4.5 | Gemini 3.1 Pro |
|----------|----------|----------|
| Creator | Anthropic | Google |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 1M |
| Overall Score | 41.16 | 64.7 |
| Benchmarks Covered | 9 | 30 |
| Pricing (input/output) | $1.00 / $5.00 | $2.00 / $12.00 |

## Category Breakdown

### Agentic

- Winner: Gemini 3.1 Pro
- Claude Haiku 4.5 public-lane score: 21.4 (Supported · #107/128)
- Gemini 3.1 Pro public-lane score: 38.4 (Supported · #70/128)

| Benchmark | Claude Haiku 4.5 | Gemini 3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| JobBench | 16.0% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 43.8% | 70.8% | Gemini 3.1 Pro |
| MazeBench | 0% | 1% | Gemini 3.1 Pro |
| Claw-Eval | Coming soon | 57.8% | Coming soon |
| DeepSearchQA | Coming soon | 69.7% | Coming soon |
| τ²-bench results | Coming soon | 95.6% | Coming soon |
| Gert Labs | Coming soon | 56.87% | Coming soon |
| ResearchClawBench | Coming soon | 13.3% | Coming soon |

### Coding

- Winner: Gemini 3.1 Pro
- Claude Haiku 4.5 public-lane score: 16.8 (Supported · #126/150)
- Gemini 3.1 Pro public-lane score: 39.2 (Supported · #67/150)

| Benchmark | Claude Haiku 4.5 | Gemini 3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 73.3% | Coming soon | Coming soon |
| VulcanBench v3 | 76.2% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 41.2% | 88.5% | Gemini 3.1 Pro |
| SWE-bench (Vals) | 66.6% | 78.8% | Gemini 3.1 Pro |
| LiveCodeBench Pro | Coming soon | 82.9% | Coming soon |
| React Native Evals | Coming soon | 78.9% | Coming soon |
| Vibe Code Bench | Coming soon | 32.03% | Coming soon |
| PostTrainBench v1.1 | Coming soon | 22.0% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Haiku 4.5 public-lane score: Coming soon
- Gemini 3.1 Pro public-lane score: 58.2 (Unranked · 2 rankable rows)

| Benchmark | Claude Haiku 4.5 | Gemini 3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 77.1% | Coming soon |
| ARC-AGI-3 | Coming soon | 0.4% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Haiku 4.5 public-lane score: Coming soon
- Gemini 3.1 Pro public-lane score: 80.1 (#17/54)

| Benchmark | Claude Haiku 4.5 | Gemini 3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 83.9% | Coming soon |
| CharXiv | Coming soon | 80.2% | Coming soon |
| ERQA | Coming soon | 69.4% | Coming soon |
| SimpleVQA | Coming soon | 72.4% | Coming soon |
| ScreenSpot Pro | Coming soon | 84.4% | Coming soon |
| ZeroBench | Coming soon | 29.0% | Coming soon |
| MedXpertQA (MM) | Coming soon | 81.3% | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Haiku 4.5 public-lane score: 33.3 (Estimated · #141/184)
- Gemini 3.1 Pro public-lane score: 67.6 (Supported · #26/184)

| Benchmark | Claude Haiku 4.5 | Gemini 3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 72.2% | 95.5% | Gemini 3.1 Pro |
| MMLU-Pro (Vals) | 78.7% | 91.0% | Gemini 3.1 Pro |
| GPQA-D | Coming soon | 94.3% | Coming soon |
| HLE w/o tools | Coming soon | 45.4% | Coming soon |
| HealthBench Hard | Coming soon | 20.6% | Coming soon |
| MedXpertQA (Text) | Coming soon | 71.5% | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Haiku 4.5 public-lane score: Coming soon
- Gemini 3.1 Pro public-lane score: 65 (Unranked · 2 rankable rows)

| Benchmark | Claude Haiku 4.5 | Gemini 3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 59.649% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 26.829% | Coming soon |

## FAQ

### Which is better overall, Claude Haiku 4.5 or Gemini 3.1 Pro?

Gemini 3.1 Pro has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Claude Haiku 4.5 and Gemini 3.1 Pro?

The widest category gap is in knowledge, where the averages are 33.3 for Claude Haiku 4.5 and 67.6 for Gemini 3.1 Pro.

### How many benchmarks does Claude Haiku 4.5 cover on BenchLM?

Claude Haiku 4.5 currently has 9 sourced benchmark scores on BenchLM.

### How many benchmarks does Gemini 3.1 Pro cover on BenchLM?

Gemini 3.1 Pro currently has 30 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Haiku 4.5 vs Claude Haiku 4.5 Thinking](/compare/claude-haiku-4-5-vs-claude-haiku-4-5-thinking)
- [Gemini 3.1 Pro vs Claude Haiku 4.5 Thinking](/compare/claude-haiku-4-5-thinking-vs-gemini-3-1-pro)
- [Claude Haiku 4.5 vs Claude Opus 5.5](/compare/claude-haiku-4-5-vs-claude-opus-5-5)
- [Gemini 3.1 Pro vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-3-1-pro)

## Explore More

- [Claude Haiku 4.5 profile](/models/claude-haiku-4-5)
- [Gemini 3.1 Pro profile](/models/gemini-3-1-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)