# Claude Haiku 5.5 vs Gemini 4 Argon

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

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

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude Haiku 5.5 and Gemini 4 Argon share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are 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 lower published output-token price.
- Claude Haiku 5.5 has the larger published context window at 1M.

## Model Snapshot

| Property | Claude Haiku 5.5 | Gemini 4 Argon |
|----------|----------|----------|
| Creator | Anthropic | Google |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | null |
| Independent public score (not head-to-head) | 66.32 | 81.79 |
| Benchmarks Covered | 5 | 17 |
| Pricing (input/output) | $0.10 / $0.50 | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: 62.1 (Supported · #18/122)
- Gemini 4 Argon public-lane score: 75 (Estimated · #4/122)

| Benchmark | Claude Haiku 5.5 | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 39.20% | 57.40% | Gemini 4 Argon |
| HLE w/ tools | 57.4% | Coming soon | Coming soon |
| AutomationBench | Coming soon | 51.3% | Coming soon |
| Finance Agent v2 | Coming soon | 65.4% | Coming soon |
| Agents' Last Exam | Coming soon | 39.5% | Coming soon |
| OSWorld 2.0 | Coming soon | 69.2% | Coming soon |
| CWE-bench v1 | Coming soon | 68.0% | Coming soon |
| Terminal-Bench-Science 0.1 (6x verifier timeout) | Coming soon | 57.6% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: 60.9 (Supported · #20/146)
- Gemini 4 Argon public-lane score: 73 (Supported · #5/146)

| Benchmark | Claude Haiku 5.5 | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| FrontierCode 1.1 Main | 46.4% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 77.9% | Coming soon |
| FrontierSWE v2 | Coming soon | 55.0% | Coming soon |
| Vibe Code Bench | Coming soon | 91.90% | Coming soon |
| PostTrainBench v1.1 | Coming soon | 45.3% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: 79.2 (Unranked · 2 rankable rows)
- Gemini 4 Argon public-lane score: 77.1 (Unranked · 3 rankable rows)

| Benchmark | Claude Haiku 5.5 | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| Graphwalks BFS 128K | Coming soon | 99.7% | Coming soon |
| GraphWalks BFS 256K–1M | Coming soon | 84.2% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- Gemini 4 Argon public-lane score: Coming soon

| Benchmark | Claude Haiku 5.5 | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| Chartography (no tools) | 46.4% | 71.6% | Gemini 4 Argon |
| LVBench | Coming soon | 91.7% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- Gemini 4 Argon public-lane score: 78.2 (Supported · #8/174)

| Benchmark | Claude Haiku 5.5 | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| HLE w/o tools | 45.9% | Coming soon | Coming soon |
| LABBench2 | Coming soon | 88.8% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- Gemini 4 Argon public-lane score: Coming soon

| Benchmark | Claude Haiku 5.5 | Gemini 4 Argon | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 0.7% | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude Haiku 5.5 and Gemini 4 Argon?

Not yet. The models share only 2 sourced benchmark rows, 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 Claude Opus 5.5](/compare/claude-haiku-5-5-vs-claude-opus-5-5)
- [Gemini 4 Argon vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-4-argon)
- [Claude Haiku 5.5 vs GPT-6 Astra](/compare/claude-haiku-5-5-vs-gpt-6-astra)
- [Gemini 4 Argon vs GPT-6 Astra](/compare/gemini-4-argon-vs-gpt-6-astra)

## Explore More

- [Claude Haiku 5.5 profile](/models/claude-haiku-5-5)
- [Gemini 4 Argon profile](/models/gemini-4-argon)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)