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o1-pro vs Grok 4.6

Grok 4.6 is 88× cheaper than o1-pro on a blended basis. Grok 4.6 has the larger context window at 500K tokens.

OpenAI logo
o1-pro

OpenAI

$150

per 1M input tokens

$2.00

per 1M input tokens

Side by side

Green marks the better value in each row where a comparison is meaningful.

OpenAI: o1-pro compared with SpaceXAI: Grok 4.6
Attributeo1-proGrok 4.6
ProviderOpenAIxAI
Input / 1M tokens$150$2.00
Output / 1M tokens$600$6.00
Blended / 1M tokens$263$3.00
Cached input / 1M-$0.500
Context window200K500K
Max output100K450K
Input modalitiestext, image, filetext, image, file
ReasoningYesYes
Tool callingNoYes
Structured outputYesYes
Prompt cachingNoYes
Open weightsNoNo
Knowledge cutoff2023-10-31-
ReleasedMarch 19, 2025August 12, 2026

Frequently asked

Is o1-pro or Grok 4.6 cheaper?

Grok 4.6 is 88× cheaper than o1-pro on a blended basis.

What is the price difference between o1-pro and Grok 4.6?

o1-pro costs $150 per million input tokens and $600 per million output tokens. Grok 4.6 costs $2.00 and $6.00 respectively.

Which has the larger context window, o1-pro or Grok 4.6?

Grok 4.6, at 500K tokens versus 200K.