# Claude Opus 4.5 Thinking vs GLM-4.5-Air

> Side-by-side benchmark comparison for Claude Opus 4.5 Thinking and GLM-4.5-Air across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-5-thinking-vs-glm-4-5-air
- Last updated: September 4, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Claude Opus 4.5 Thinking and GLM-4.5-Air.

## Summary

- Claude Opus 4.5 Thinking and GLM-4.5-Air do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Claude Opus 4.5 Thinking | GLM-4.5-Air |
|----------|----------|----------|
| Creator | Anthropic | Z.AI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 200K | 128K |
| Independent public score (not head-to-head) | 56.09 | 46.33 |
| Benchmarks Covered | 1 | 0 |
| Pricing (input/output) | N/A | $0.20 / $1.10 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- Claude Opus 4.5 Thinking public-lane score: 55.2 (Estimated · #41/183)
- GLM-4.5-Air public-lane score: 45.2 (Estimated · #110/183)

| Benchmark | Claude Opus 4.5 Thinking | GLM-4.5-Air | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 20.63% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Opus 4.5 Thinking public-lane score: 69 (Unranked · 1 rankable row)
- GLM-4.5-Air public-lane score: Coming soon

### Reasoning

- Winner: Insufficient shared evidence
- Claude Opus 4.5 Thinking public-lane score: 75.7 (Unranked · 2 rankable rows)
- GLM-4.5-Air public-lane score: 53.9 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- Claude Opus 4.5 Thinking public-lane score: 56.1 (Estimated · #54/181)
- GLM-4.5-Air public-lane score: 41.3 (Estimated · #133/181)

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Opus 4.5 Thinking public-lane score: 69.7 (#63/120)
- GLM-4.5-Air public-lane score: 43.3 (#97/120)

## FAQ

### Can I compare Claude Opus 4.5 Thinking and GLM-4.5-Air on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Claude Opus 4.5 Thinking vs Claude Opus 4.5](/compare/claude-opus-4-5-vs-claude-opus-4-5-thinking)
- [GLM-4.5-Air vs Claude Opus 4.5](/compare/claude-opus-4-5-vs-glm-4-5-air)
- [Claude Opus 4.5 Thinking vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-claude-opus-4-5-thinking)
- [GLM-4.5-Air vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-glm-4-5-air)

## Explore More

- [Claude Opus 4.5 Thinking profile](/models/claude-opus-4-5-thinking)
- [GLM-4.5-Air profile](/models/glm-4-5-air)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)