claude-opus-4-5-20251101 vs gpt-5.1-2025-11-13
Pricing, Performance & Features Comparison
Context Length200K
Reasoning
Providers1
ReleasedNov 2025
Knowledge CutoffMar 2025
License–
Premium model combining maximum intelligence with practical performance.
Input$5
Output$25
Latency (p50)2s
Output Limit64K
Function Calling
JSON Mode
-
Input–
Output–
in$5out$25––
Latency (24h)
Success Rate (24h)
The best model for coding and agentic tasks with configurable reasoning effort.
Input$1.3
Output$10
Latency (p50)1.1s
Output Limit128K
Function Calling
JSON Mode
-
Input–
Output–
in$1.3out$10cache$0.13–