Comparison

Claude Sonnet 5 vs Gemini 3.1 Pro Preview

Claude Sonnet 5 and Gemini 3.1 Pro Preview charge the same per input token. Output pricing favors Claude Sonnet 5, 17% less per token than Gemini 3.1 Pro Preview.

FieldClaude Sonnet 5
Gemini 3.1 Pro Preview
ProviderAnthropicGoogle
Context window1M
Max output128K
Input / 1M$2.00$2.00
Output / 1M$10.0017% cheaper$12.00
Cached input / 1M$0.20$0.20
Batch discount50%50%
Release date

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadClaude Sonnet 5Gemini 3.1 Pro Preview

Chatbot

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

$360.00cheaper$400.00

RAG pipeline

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

$570.00cheaper$612.00

Batch summarization

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

$275.00cheaper$290.00

Claude Sonnet 5 vs Gemini 3.1 Pro Preview FAQ

Is Claude Sonnet 5 cheaper than Gemini 3.1 Pro Preview?
Claude Sonnet 5 and Gemini 3.1 Pro Preview cost the same per input token: $2.00 per 1M tokens.
Which is cheaper for output tokens, Claude Sonnet 5 or Gemini 3.1 Pro Preview?
Claude Sonnet 5 charges $10.00 per 1M output tokens; Gemini 3.1 Pro Preview charges $12.00 per 1M output tokens.
Do Claude Sonnet 5 and Gemini 3.1 Pro Preview offer cache pricing?
Claude Sonnet 5 discounts cached input to $0.20 per 1M tokens. Gemini 3.1 Pro Preview discounts cached input to $0.20 per 1M tokens.

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