Anthropic: Claude Opus 5.5 vs Google: Gemini 2.5 Pro
Google: Gemini 2.5 Pro is cheaper than Anthropic: Claude Opus 5.5 by about 57% on a blended (75% input / 25% output) basis. Anthropic: Claude Opus 5.5 charges $4.000000 / $20.000000 per 1M input/output tokens; Google: Gemini 2.5 Pro charges $1.250000 / $10.000000.
| Field | Anthropic: Claude Opus 5.5 | Google: Gemini 2.5 Pro |
|---|---|---|
| Input $/Mtok | $4.000000 | $1.250000 |
| Output $/Mtok | $20.000000 | $10.000000 |
| Cache read $/Mtok | $0.200000 | $0.125000 |
| Cache write $/Mtok | $5.000000 | – |
| Input $/Mchar | n/a | n/a |
| Output $/Mchar | n/a | n/a |
| Context window | 1000000 | 1048576 |
| Tokenizer | claude | gemini |
Price history
Same workload, monthly cost
Illustrative monthly cost at 10M tokens/month, split per workload preset. Not a substitute for the calculator, which uses your own volume, cache and batch assumptions.
| Workload | Anthropic: Claude Opus 5.5 | Google: Gemini 2.5 Pro |
|---|---|---|
| Coding agent | $48.00 | $16.88 |
| RAG chat | $64.00 | $25.63 |
| Summarisation (batch) | $56.00 | $21.25 |
| Classification | $43.20 | $14.25 |
| Chat assistant | $104.00 | $47.50 |
| Content generation | $168.00 | $82.50 |
Cite this page
Anthropic: Claude Opus 5.5 vs Google: Gemini 2.5 Pro: $4.000000/$20.000000 vs $1.250000/$10.000000 per 1M tokens, as of 2026-10-04 (Token Barometer, https://tokenbarometer.com/compare/anthropic_claude-opus-5-5-vs-google_gemini-2.5-pro).
Anthropic: Claude Opus 5.5 page | Google: Gemini 2.5 Pro page | Open in calculator