Model comparison · updated 2026-10-02
Side-by-side pricing for1 million tokens
| Claude Opus 5 | Gemini 3.8 Flash | Verdict | |
|---|---|---|---|
| Provider | Anthropic | -- | |
| Context window | 1M | 1M | -- |
| Input / 1M tokens | $5 | $0.75 | Gemini 3.8 Flash is 6.7x cheaper |
| Output / 1M tokens | $25 | $3.75 | Gemini 3.8 Flash is 6.7x cheaper |
| Output:input ratio | 5x | 5x | -- |
| Tier | flagship | balanced | -- |
Gemini 3.8 Flash: Introductory price through Dec 31, 2026; $1.50 / $7.50 from Jan 1, 2027.
Claude Opus 5
2,000,000 tokens
Gemini 3.8 Flash
13,333,333 tokens
Gemini 3.8 Flash gives you 6.7x more input for the same budget.
Claude Opus 5
400,000 tokens
Gemini 3.8 Flash
2,666,667 tokens
Gemini 3.8 Flash gives you 6.7x more output for the same budget.