Grok 4.3
xAI’s recommended current chat and coding model, listed in official docs with 1M context and sharply lower per-token pricing than older Grok tracker metadata.
Capability profile
- Input
- $1.25 / 1M tokens
- Output
- $2.50 / 1M tokens
- Cached input
- Unknown
- Context
- 1M tokens
- Free tier
- No / unknown
- API
- Available
- Subscription
- xAI API
- Open-source status
- Closed
- Teams evaluating xAI for general chat
- coding
- and API-backed workloads with a large context window.
- Chat
- coding assistance
- structured API tasks
- and large-context application workflows.
- Use cases requiring broad public benchmark transparency or open weights.
- Teams that require open weights or fully transparent benchmark reporting before adoption.
The important change is less the name than the economics: xAI's official docs now position Grok 4.3 as a practical API model instead of a premium curiosity.
xAI’s recommended current chat and coding model, listed in official docs with 1M context and sharply lower per-token pricing than older Grok tracker metadata.
Post Reboot take
The important change is less the name than the economics: xAI’s official docs now position Grok 4.3 as a practical API model instead of a premium curiosity.
Strengths
Best for: Teams evaluating xAI for general chat, coding, and API-backed workloads with a large context window.
Weakest at: Use cases requiring broad public benchmark transparency or open weights.
Best workflows: Chat, coding assistance, structured API tasks, and large-context application workflows.
Example use cases: Coding agents, assistant backends, document-heavy chat, and tool-using workflows.