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Comparison of GPT-6 Astra, GPT-6.1 Sol
Attribute
OpenAIRemove
OpenAIRemove
Price per 1M tokens
Input$10.00$2.00
Output$50.00$10.00
Cached input$1.00$0.10
Long prompts$20.00 in, $75.00 out past 272K$4.00 in, $15.00 out past 272K
Limits
Context window1.05M1.05M
Max output128K128K
Scores
Intelligence169168
Coding-58.2% · Codex
Capabilities
ReasoningYes, 4 effort levelsYes, 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 3, 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.