# Claude Haiku 5.5 vs GLM-5.3

> Side-by-side benchmark comparison for Claude Haiku 5.5 and GLM-5.3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-haiku-5-5-vs-glm-5-3
- 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 GLM-5.3 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.
- GLM-5.3 has the lower published output-token price.

## Model Snapshot

| Property | Claude Haiku 5.5 | GLM-5.3 |
|----------|----------|----------|
| Creator | Anthropic | Z.AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 66.32 | 68.71 |
| Benchmarks Covered | 5 | 25 |
| Pricing (input/output) | $0.10 / $0.50 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: 62.1 (Supported · #18/122)
- GLM-5.3 public-lane score: 67.7 (Supported · #12/122)

| Benchmark | Claude Haiku 5.5 | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 39.20% | Coming soon | Coming soon |
| HLE w/ tools | 57.4% | 62.5% | GLM-5.3 |
| Terminal-Bench 2.1 | Coming soon | 88.2% | Coming soon |
| terminalBench3 | Coming soon | 28.3% | Coming soon |
| CyberGym | Coming soon | 84.5% | Coming soon |
| ExploitGym | Coming soon | 15.0% | Coming soon |
| Toolathlon-Verified | Coming soon | 73.0% | Coming soon |
| AutomationBench | Coming soon | 48.2% | Coming soon |
| Agents' Last Exam | Coming soon | 28.5% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 71.5% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: 60.9 (Supported · #20/146)
- GLM-5.3 public-lane score: 57.9 (Supported · #26/146)

| Benchmark | Claude Haiku 5.5 | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| FrontierCode 1.1 Main | 46.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.2% | Coming soon |
| terminalBench3 | Coming soon | 28.3% | Coming soon |
| DeepSWE | Coming soon | 66.9% | Coming soon |
| NL2Repo | Coming soon | 58% | Coming soon |
| ProgramBench | Coming soon | 19.0% | Coming soon |
| FrontierSWE | Coming soon | 78.1% | Coming soon |
| sweMarathon | Coming soon | 42.5% | Coming soon |
| PostTrain Bench | Coming soon | 39.8% | Coming soon |
| VulcanBench v3 | Coming soon | 78.3% | Coming soon |
| OpenHarmony Bench | Coming soon | 60.8% | Coming soon |
| FrontierSWE v2 | Coming soon | 30.2% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 80.5% | Coming soon |
| SWE-bench (Vals) | Coming soon | 95.4% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: 79.2 (Unranked · 2 rankable rows)
- GLM-5.3 public-lane score: 77.1 (#12/28)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- GLM-5.3 public-lane score: Coming soon

| Benchmark | Claude Haiku 5.5 | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| Chartography (no tools) | 46.4% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- GLM-5.3 public-lane score: 61.2 (Supported · #39/174)

| Benchmark | Claude Haiku 5.5 | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| HLE w/o tools | 45.9% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 88.1% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 86.8% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- GLM-5.3 public-lane score: Coming soon

| Benchmark | Claude Haiku 5.5 | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 31.5% | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude Haiku 5.5 and GLM-5.3?

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 GLM-5.2](/compare/claude-haiku-5-5-vs-glm-5-2)
- [GLM-5.3 vs GLM-5.2](/compare/glm-5-2-vs-glm-5-3)
- [Claude Haiku 5.5 vs GLM-5.3-Flash](/compare/claude-haiku-5-5-vs-glm-5-3-flash)
- [GLM-5.3 vs GLM-5.3-Flash](/compare/glm-5-3-vs-glm-5-3-flash)

## Explore More

- [Claude Haiku 5.5 profile](/models/claude-haiku-5-5)
- [GLM-5.3 profile](/models/glm-5-3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)