# Claude Haiku 5.5 vs Gemma 4 12B

> Side-by-side benchmark comparison for Claude Haiku 5.5 and Gemma 4 12B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-haiku-5-5-vs-gemma-4-12b
- Last updated: October 7, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude Haiku 5.5 and Gemma 4 12B 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.
- Claude Haiku 5.5 has the larger published context window at 1M.

## Model Snapshot

| Property | Claude Haiku 5.5 | Gemma 4 12B |
|----------|----------|----------|
| Creator | Anthropic | Google |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 256K |
| Independent public score (not head-to-head) | 66.32 | 31.9 |
| Benchmarks Covered | 5 | 12 |
| Pricing (input/output) | $0.10 / $0.50 | N/A |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: 62.1 (Supported · #18/122)
- Gemma 4 12B public-lane score: Coming soon

| Benchmark | Claude Haiku 5.5 | Gemma 4 12B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 39.20% | Coming soon | Coming soon |
| HLE w/ tools | 57.4% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: 60.9 (Supported · #20/146)
- Gemma 4 12B public-lane score: 23.3 (Estimated · #112/146)

| Benchmark | Claude Haiku 5.5 | Gemma 4 12B | Winner |
|-----------|-----------|-----------|--------|
| FrontierCode 1.1 Main | 46.4% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 72.0% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: 79.2 (Unranked · 2 rankable rows)
- Gemma 4 12B public-lane score: 34.9 (Unranked · 4 rankable rows)

| Benchmark | Claude Haiku 5.5 | Gemma 4 12B | Winner |
|-----------|-----------|-----------|--------|
| BBH | Coming soon | 53% | Coming soon |
| MRCRv2 | Coming soon | 43.4% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- Gemma 4 12B public-lane score: 27.2 (#45/49)

| Benchmark | Claude Haiku 5.5 | Gemma 4 12B | Winner |
|-----------|-----------|-----------|--------|
| Chartography (no tools) | 46.4% | Coming soon | Coming soon |
| MMMU-Pro | Coming soon | 69.1% | Coming soon |
| MathVision | Coming soon | 79.7% | Coming soon |
| MedXpertQA (MM) | Coming soon | 48.7% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- Gemma 4 12B public-lane score: 32.5 (Supported · #130/174)

| Benchmark | Claude Haiku 5.5 | Gemma 4 12B | Winner |
|-----------|-----------|-----------|--------|
| HLE w/o tools | 45.9% | 5.2% | Claude Haiku 5.5 |
| GPQA | Coming soon | 78.8% | Coming soon |
| GPQA-D | Coming soon | 78.8% | Coming soon |
| MMLU-Pro | Coming soon | 77.2% | Coming soon |
| MMMLU | Coming soon | 83.4% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- Gemma 4 12B public-lane score: 88.7 (#21/125)

### Mathematics

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- Gemma 4 12B public-lane score: 53 (Unranked · 1 rankable row)

| Benchmark | Claude Haiku 5.5 | Gemma 4 12B | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 77.5% | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude Haiku 5.5 and Gemma 4 12B?

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 Haiku 5.5 vs Gemma 4 26B A4B](/compare/claude-haiku-5-5-vs-gemma-4-26b-a4b)
- [Gemma 4 12B vs Gemma 4 26B A4B](/compare/gemma-4-12b-vs-gemma-4-26b-a4b)
- [Claude Haiku 5.5 vs Gemma 4 31B](/compare/claude-haiku-5-5-vs-gemma-4-31b)
- [Gemma 4 12B vs Gemma 4 31B](/compare/gemma-4-12b-vs-gemma-4-31b)

## Explore More

- [Claude Haiku 5.5 profile](/models/claude-haiku-5-5)
- [Gemma 4 12B profile](/models/gemma-4-12b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)