Claude 3.5 HaikuvsGemini 3.1 Flash-Lite
Claude 3.5 Haiku | Gemini 3.1 Flash-Lite | |
|---|---|---|
| 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%Best | 11% |
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% | — |
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% | — |
Community preference (code) Arena Elo (Code)Like the text arena, but people vote on which AI writes better code. The votes become a chess-style Elo rating on arena.ai. Higher is better. | — | 1253 |
| Overview | ||
| Company | Anthropic | |
| Release date | Oct 22 2024 | Mar 3 2026 |
| Access | Proprietary | Proprietary |
Which is better: Claude 3.5 Haiku or Gemini 3.1 Flash-Lite?
Claude 3.5 Haiku leads Gemini 3.1 Flash-Lite on 1 of the 1 benchmark they both report (BullshitBench v2). Claude 3.5 Haiku shipped 497 days before Gemini 3.1 Flash-Lite, 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, Claude 3.5 Haiku leads at 50% vs Gemini 3.1 Flash-Lite at 11%.
Frequently asked questions
Claude 3.5 Haiku was released by Anthropic on Oct 22 2024.
Gemini 3.1 Flash-Lite was released by Google on Mar 3 2026.
Other comparisons
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