Claude Haiku 4.5 vs Code Llama
Anthropic Claude Haiku 4.5 | Meta Code Llama | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Meta |
| Release date | Oct 15 2025 | Aug 24 2023 |
| Access | Proprietary | Open Weight |
| 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. | 77% | — |
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. | 73.3% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 73% | — |
| Timeline | ||
| Release gap | Code Llama shipped 783 days before Claude Haiku 4.5 | |
Which is better: Claude Haiku 4.5 or Code Llama?
Claude Haiku 4.5 and Code Llama don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Code Llama shipped 783 days before Claude Haiku 4.5, so benchmark comparisons should account for the intervening progress.
Claude Haiku 4.5 is proprietary, while Code Llama is open weight.
Direct benchmark comparisons are unavailable — Claude Haiku 4.5 and Code Llama don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude Haiku 4.5 was released by Anthropic on Oct 15 2025.
Code Llama was released by Meta on Aug 24 2023.
Claude Haiku 4.5 is a proprietary model released by Anthropic. Code Llama is an open weight model released by Meta.
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