Claude 3.5 Haiku vs GLM-4.5-Air
Anthropic Claude 3.5 Haiku | Z.ai GLM-4.5-Air | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Z.ai |
| Release date | Oct 22 2024 | Jul 28 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 106B |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 50% | — |
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 40.6% | 59.8%Best |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 41.6% | — |
| Timeline | ||
| Release gap | Claude 3.5 Haiku shipped 279 days before GLM-4.5-Air | |
Which is better: Claude 3.5 Haiku or GLM-4.5-Air?
GLM-4.5-Air leads Claude 3.5 Haiku on 1 of the 1 benchmark they both report (SWE-Bench Verified). Claude 3.5 Haiku shipped 279 days before GLM-4.5-Air, so benchmark comparisons should account for the intervening progress.
Claude 3.5 Haiku is proprietary, while GLM-4.5-Air is open weight.
On SWE-Bench Verified, GLM-4.5-Air leads at 59.8% vs Claude 3.5 Haiku at 40.6%.
Frequently asked questions
Claude 3.5 Haiku was released by Anthropic on Oct 22 2024.
GLM-4.5-Air was released by Z.ai on Jul 28 2025.
GLM-4.5-Air leads on SWE-Bench Verified — Claude 3.5 Haiku 40.6% vs GLM-4.5-Air 59.8%.
Claude 3.5 Haiku is a proprietary model released by Anthropic. GLM-4.5-Air is an open weight model released by Z.ai.
Other comparisons
Claude 3.5 Haiku vs GPT-5.6 SolGLM-4.5-Air vs GPT-5.6 SolClaude 3.5 Haiku vs Gemini OmniGLM-4.5-Air vs Gemini OmniClaude 3.5 Haiku vs Muse SparkGLM-4.5-Air vs Muse SparkClaude 3.5 Haiku vs Grok 4.3 BetaGLM-4.5-Air vs Grok 4.3 BetaClaude 3.5 Haiku vs DeepSeek-V4-ProGLM-4.5-Air vs DeepSeek-V4-ProClaude 3.5 Haiku vs Mistral Medium 3.5GLM-4.5-Air vs Mistral Medium 3.5