Claude Opus 4.8 vs GPT-4.1: which is better?

Claude Opus 4.8 leads on combined benchmark scores (89.3 vs 88.4) across general knowledge, coding, and math, as of 2026-07-27.

Which is cheaper, Claude Opus 4.8 or GPT-4.1?

GPT-4.1 is cheaper on a typical API workload, at roughly 2.8x lower cost than the alternative at published per-token rates.

Claude Opus 4.8 vs GPT-4.1

Claude Opus 4.8 leads on benchmarks; GPT-4.1 is cheaper to run, about 2.8× less.

Updated 2026-07-27

Claude Opus 4.8

Anthropic · Closed

89.3

Combined index

Leads

GPT-4.1

OpenAI · Closed

88.4

Combined index

Benchmarks

General knowledge (MMLU)

89.5

90.2

Coding

91.5

Math

92.4

83.4

API pricing

$5.0 Input / 1M $2.0

$25.0 Output / 1M $8.0

$225.0 Monthly, est. $80.0

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.

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