xAI
Grok 4.3
Grok 4.3 — xAI fast reasoning model with 1M context, function calling, structured outputs, vision, and web/X search.
grok-4.3Pricing
~99%- Input
- $0.012375 / 1,000,000 tokens
- Output
- $0.02475 / 1,000,000 tokens
- Cache read
- $0.00198 / 1,000,000 tokens
- Cache write
- $0.012375 / 1,000,000 tokens
Discount history
Model details
- Input
- text, image
- Output
- text
- Context window
- 1,000,000 tokens
- Maximum output
- 128,000 tokens
- Availability
- $7.6KUncapped capacity
- Updated
- 11/8/2026, 3:58:06 AM UTC
Capacity is reserved when your request is accepted.
Capabilities
ChatStreamingTool callingVisionReasoning
Supported parameters
max_tokenstemperaturetop_pfrequency_penaltypresence_penaltylogit_biaslogprobstop_logprobsstoptoolstool_choiceresponse_formatseedstructured_outputs