Model comparison · updated 2026-10-02
Side-by-side pricing for1 million tokens
| Gemini 3.1 Pro | Claude Sonnet 5 | Verdict | |
|---|---|---|---|
| Provider | Anthropic | -- | |
| Context window | 1M | 1M | -- |
| Input / 1M tokens | $2 | $2 | Same price |
| Output / 1M tokens | $12 | $10 | Claude Sonnet 5 is 1.2x cheaper |
| Output:input ratio | 6x | 5x | -- |
| Tier | flagship | balanced | -- |
Gemini 3.1 Pro: Prices rise to $4 / $18 for prompts above 200K tokens.
Gemini 3.1 Pro
5,000,000 tokens
Claude Sonnet 5
5,000,000 tokens
Gemini 3.1 Pro
833,333 tokens
Claude Sonnet 5
1,000,000 tokens
Claude Sonnet 5 gives you 1.2x more output for the same budget.