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AnthropicClaude Sonnet 4.6VSGoogleGemini 2.5 Flash-Lite

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

Our Take

Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing Claude Sonnet 4.6 and Gemini 2.5 Flash-Lite directly in their respective provider playgrounds to see which fits your specific prompt styles best.
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Model Specs

Claude Sonnet 4.6

Benchmarks & Scores

Coding (swe-bench-pro)
N/A

complex codebases, multi-file repositories, and architectural planning

Reasoning (gpqa-diamond)Winner (+17.4%)
79.9%

graduate-level science QA

Cost & Context

Cost (per 1M tokens)
$6.00Input: $3.00 | Output: $15.00
Context Window
1.05M tokens
Model Specs

Gemini 2.5 Flash-Lite

Benchmarks & Scores

Coding (swe-bench-verified)
41.3%

multi-file code and clearly defined tasks

Reasoning (gpqa-diamond)
62.5%

graduate-level science QA

Cost & Context

Cost (per 1M tokens)34.3x cheaper
$0.17Input: $0.10 | Output: $0.40
Context Window
1.05M tokens

Frequently Asked Questions about Claude Sonnet 4.6 vs Gemini 2.5 Flash-Lite

Gemini 2.5 Flash-Lite is cheaper than Claude Sonnet 4.6. Gemini 2.5 Flash-Lite has a blended cost of $0.17/1M tokens, which is about 34.3x cheaper than Claude Sonnet 4.6 at $6.00/1M tokens.

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