grok-4.3ChatExamples verified 2026-09-25Grok 4.3
Grok 4.3, 1M context, $1.25 / $2.5.
- Official price
- $1.25 / $2.50/ 1M tokensInput / output
- Context window
- 1M tokens1,000,000
Notes
- On Chat Completions, completion_tokens excludes reasoning tokens; add reasoning_tokens when reconciling usage.
- stop, presence_penalty, and frequency_penalty aren't supported.
Pricing
Official price in USD. Actual charge = official price × group multiplier.
- Input
- $1.25 / 1M tokens
- Cached input
- $0.20 / 1M tokens
- Output
- $2.50 / 1M tokens
- Context over 200K
- input ×2 · output ×2