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Comparison of Claude Sonnet 5.5, GPT-6.1 Sol
Attribute
AnthropicRemove
OpenAIRemove
Price per 1M tokens
Input$2.00$2.00
Output$10.00$10.00
Cached input$0.20$0.10
Long prompts-$4.00 in, $15.00 out past 272K
Limits
Context window1M1.05M
Max output128K128K
Scores
Intelligence166168
Coding61.8% · Claude Code58.2% · Codex
Capabilities
ReasoningYesYes, 4 effort levels
Image inputYesYes
Tool callsYesYes
Structured outputsNoYes
Open weightsNoNo
Data
Where prompts goThe provider's own retention policy applies.The provider's own retention policy applies.
Release
ReleasedSep 28, 2026Sep 29, 2026

Intelligence is the Epoch Capabilities Index (Epoch AI, CC BY 4.0). Coding is Terminal-Bench 4.0, the share of tasks solved by the agent shown.

TokenSpend stores no prompt or response content for any model. See Trust.