Claude Opus 4.8 vs Gemini 2.5 Pro: which is better?

Gemini 2.5 Pro leads on combined benchmark scores (89.7 vs 89.3) across general knowledge, coding, and math, as of 2026-07-27.

Which is cheaper, Claude Opus 4.8 or Gemini 2.5 Pro?

Gemini 2.5 Pro is cheaper on a typical API workload, at roughly 3.0x lower cost than the alternative at published per-token rates.

Claude Opus 4.8 vs Gemini 2.5 Pro

Gemini 2.5 Pro wins outright: higher benchmark scores and lower cost on a typical workload.

Updated 2026-07-27

Claude Opus 4.8

Anthropic · Closed

89.3

Combined index

Gemini 2.5 Pro

Google · Closed

89.7

Combined index

Leads

Benchmarks

General knowledge (MMLU)

89.5

90.1

Coding

84.2

Math

92.4

94.7

API pricing

$5.0 Input / 1M $1.25

$25.0 Output / 1M $10.0

$225.0 Monthly, est. $75.0

Monthly estimate assumes 20M input + 5M output tokens. Prices marked ~ are representative hosted rates for open-weight models and vary by provider. Run your own numbers in the cost calculator.

Claude Opus 4.8 costs → Gemini 2.5 Pro costs → Full leaderboard → All comparisons →