AnthropicClaude Haiku 4.5VSGoogleGemini 3.5 Flash Lite

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

Our Take

Gemini 3.5 Flash Lite is the clear winner here. It beats Claude Haiku 4.5 across the board because it is both smarter and cheaper to run. Unless you have specific platform restrictions, go with Gemini 3.5 Flash Lite—it is the optimal choice.

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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)

$2.00Input: $1.00 | Output: $5.00

Context Window

200k tokens

Model Specs

Gemini 3.5 Flash Lite

Website

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+14.7%)

54.2%

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

Reasoning (gpqa-diamond)Winner (+11.0%)

84%

graduate-level science QA

Cost & Context

Cost (per 1M tokens)2.4x cheaper

$0.85Input: $0.30 | Output: $2.50

Context WindowLarger

1.05M tokens

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Frequently Asked Questions about Claude Haiku 4.5 vs Gemini 3.5 Flash Lite

Gemini 3.5 Flash Lite is cheaper than Claude Haiku 4.5. Gemini 3.5 Flash Lite has a blended cost of $0.85/1M tokens, which is about 2.4x cheaper than Claude Haiku 4.5 at $2.00/1M tokens.

Gemini 3.5 Flash Lite is better for coding tasks on this benchmark. It scores 54.2% 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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