Claude 3 Haiku vs Gemini 2.5 Flash
Anthropic Claude 3 Haiku | Google Gemini 2.5 Flash | |
|---|---|---|
| Overview | ||
| Company | Anthropic | |
| Release date | Mar 4 2024 | Apr 17 2025 |
| Access | Proprietary | Proprietary |
| 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. | 10% | 19%Best |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 33.3% | — |
| Timeline | ||
| Release gap | Claude 3 Haiku shipped 409 days before Gemini 2.5 Flash | |
Which is better: Claude 3 Haiku or Gemini 2.5 Flash?
Gemini 2.5 Flash leads Claude 3 Haiku on 1 of the 1 benchmark they both report (BullshitBench v2). Claude 3 Haiku shipped 409 days before Gemini 2.5 Flash, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
On BullshitBench v2, Gemini 2.5 Flash leads at 19% vs Claude 3 Haiku at 10%.
Frequently asked questions
Claude 3 Haiku was released by Anthropic on Mar 4 2024.
Gemini 2.5 Flash was released by Google on Apr 17 2025.
Other comparisons
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