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claude-opus-4-20250514 vs claude-sonnet-4-20250514

Pricing, Performance & Features Comparison

Price unit:

claude-opus-4-20250514

Authoranthropic

Context Length200K

Reasoning

-

Providers1

ReleasedMay 2025

Knowledge Cutoff-

License-

Superseded Byclaude-opus-4-1

Claude Opus 4 is Anthropic's most intelligent model and is state-of-the-art for coding and agent capabilities, especially agentic search.

Input$15

Output$75

Latency (p50)1.4s

Output Limit8K

Function Calling

JSON Mode

-

InputText, Image

OutputText

in$15out$75cache$1.5write$19

Latency (24h)

Success Rate (24h)

claude-sonnet-4-20250514

Authoranthropic

Context Length200K

Reasoning

-

Providers1

ReleasedMay 2025

Knowledge CutoffMar 2025

License-

Claude Sonnet 4 balances impressive performance for coding with the right speed and cost for high-volume use cases.

Input$3

Output$15

Latency (p50)3s

Output Limit8K

Function Calling

JSON Mode

-

InputText, Image

OutputText

in$3out$15cache$0.3write$3.8

Latency (24h)

Success Rate (24h)