Back to Model Tracker
xAI Active

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.

Grok 4 Updated May 31, 2026
Post Reboot Practical Scores

Capability profile

88.8
Reasoning 90.0
Coding 89.0
Writing 84.0
Speed 91.0
Cost efficiency 86.0
Image understanding 84.0
Pricing
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
Best Use Cases
Best for
  • Teams evaluating xAI for general chat
  • coding
  • and API-backed workloads with a large context window.
Best workflows
  • Chat
  • coding assistance
  • structured API tasks
  • and large-context application workflows.
Weakest at
  • Use cases requiring broad public benchmark transparency or open weights.
Not ideal for
  • Teams that require open weights or fully transparent benchmark reporting before adoption.
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.

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.

Sources used for this profile