AnthropicClaude Haiku 4.5VSGoogleGemini 3.6 Flash

Analysis by:the whichllmmodel Editorial Team|Updated: June 2026

Our Take

If your budget allows, Gemini 3.6 Flash is the superior choice here, offering a clear benchmark advantage while carrying only a slight price premium (1.5x). We recommend choosing Claude Haiku 4.5 only if you need to optimize costs for very high-volume pipelines.

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Model Specs

Claude Haiku 4.5

Website

Benchmarks & Scores

Coding (swe-bench-pro)

39.5%

excellent at multi-file repositories, autonomous agents, and industrial codebases

Reasoning (gpqa-diamond)

73%

graduate-level science QA

Cost & Context

Cost (per 1M tokens)1.5x cheaper

$2.00Input: $1.00 | Output: $5.00

Context Window

200k tokens

Model Specs

Gemini 3.6 Flash

Website

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+19.2%)

58.7%

excellent at multi-file repositories, autonomous agents, and industrial codebases

Reasoning (gpqa-diamond)Winner (+20.0%)

93%

graduate-level science QA

Cost & Context

Cost (per 1M tokens)

$3.00Input: $1.50 | Output: $7.50

Context WindowLarger

1.05M tokens

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Frequently Asked Questions about Claude Haiku 4.5 vs Gemini 3.6 Flash

Claude Haiku 4.5 is cheaper than Gemini 3.6 Flash. Claude Haiku 4.5 has a blended cost of $2.00/1M tokens, which is about 1.5x cheaper than Gemini 3.6 Flash at $3.00/1M tokens.

Gemini 3.6 Flash is better for coding tasks on this benchmark. It scores 58.7% on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases) compared to Claude Haiku 4.5 which scores 39.5%.

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