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Claude Haiku 4.5 vs Gemini 2.0 Flash

2 vs 0 benchmarks won

Anthropic
Claude Haiku 4.5
Google
Gemini 2.0 Flash
Overview
CompanyAnthropicGoogle
Release dateOct 15 2025Jan 30 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
73%
Software engineering
SWE-Bench Verified
73.3%
Multimodal understanding
MMMU
Timeline
Release gapGemini 2.0 Flash shipped 258 days before Claude Haiku 4.5

Which is better: Claude Haiku 4.5 or Gemini 2.0 Flash?

Claude Haiku 4.5 leads Gemini 2.0 Flash on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Gemini 2.0 Flash shipped 258 days before Claude Haiku 4.5, 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.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Claude Haiku 4.5 released?
Claude Haiku 4.5 was released by Anthropic on Oct 15 2025.
When was Gemini 2.0 Flash released?
Gemini 2.0 Flash was released by Google on Jan 30 2025.

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