Comparison

Claude Sonnet 5 vs Gemini 2.5 Flash-Lite

Gemini 2.5 Flash-Lite costs 95% less per input token than Claude Sonnet 5. Gemini 2.5 Flash-Lite is 96% cheaper on output tokens.

FieldClaude Sonnet 5
Gemini 2.5 Flash-Lite
ProviderAnthropicGoogle
Context window1M
Max output128K
Input / 1M$2.00$0.1095% cheaper
Output / 1M$10.00$0.4096% cheaper
Cached input / 1M$0.20$0.0195% cheaper
Batch discount50%50%
Release date

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadClaude Sonnet 5Gemini 2.5 Flash-Lite

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$360.00$16.00cheaper

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$570.00$26.40cheaper

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$275.00$13.00cheaper

Claude Sonnet 5 vs Gemini 2.5 Flash-Lite FAQ

Is Claude Sonnet 5 cheaper than Gemini 2.5 Flash-Lite?
Claude Sonnet 5 costs $2.00 per 1M input tokens versus $0.10 for Gemini 2.5 Flash-Lite — Gemini 2.5 Flash-Lite is 1900% cheaper per input token.
Which is cheaper for output tokens, Claude Sonnet 5 or Gemini 2.5 Flash-Lite?
Claude Sonnet 5 charges $10.00 per 1M output tokens; Gemini 2.5 Flash-Lite charges $0.40 per 1M output tokens.
Do Claude Sonnet 5 and Gemini 2.5 Flash-Lite offer cache pricing?
Claude Sonnet 5 discounts cached input to $0.20 per 1M tokens. Gemini 2.5 Flash-Lite discounts cached input to $0.01 per 1M tokens.

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