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gpt-5.1-2025-11-13 vs claude-opus-4-5-20251101

Pricing, Performance & Features Comparison

Price unit:

gpt-5.1-2025-11-13

Authoropenai

Context Length400K

Reasoning

-

Providers1

ReleasedNov 2025

Knowledge Cutoff-

License-

The best model for coding and agentic tasks with configurable reasoning effort.

Input$1.3

Output$10

Latency (p50)1.6s

Output Limit128K

Function Calling

JSON Mode

-

Input-

Output-

in$1.3out$10cache$0.13-

Latency (24h)

Success Rate (24h)

claude-opus-4-5-20251101

Authoranthropic

Context Length200K

Reasoning

-

Providers1

ReleasedNov 2025

Knowledge CutoffMar 2025

License-

Premium model combining maximum intelligence with practical performance.

Input$5

Output$25

Latency (p50)2.4s

Output Limit64K

Function Calling

JSON Mode

-

Input-

Output-

in$5out$25--

Latency (24h)

Success Rate (24h)