Grok-4 Heavy: API Pricing, Context Window & Benchmarks
Grok-4 Heavy is a language model from xAI, released in July 2025, with multimodal input.
Grok 4 Heavy is the multi-agent version of Grok 4, released alongside the standard model in summer 2025. This system spawns multiple Grok 4 agents in parallel that work independently on problems and then collaborate by comparing their
Grok-4 Heavy benchmarks
Rankings
Quality Tracker
Grok-4 Heavy Performance Across Datasets
Scores sourced from the model's scorecard, paper, or official blog posts
llm-stats.com - Thu Jul 30 2026Grok-4 Heavy API
Available from the model provider
Grok-4 Heavy has an official provider API. It is not currently routed through the LLM Stats gateway.
Read the official API documentationGrok-4 Heavy latency
Grok-4 Heavy time to first token, sustained output throughput, and failed-request rate from live API traffic over the trailing 7 days.
Grok-4 Heavy examples
Recent arena outputs from Grok-4 Heavy, picked from the highest-ranked matchups.
Grok-4 Heavy license
Grok-4 Heavy is a proprietary model available under its provider's product and API terms, has a knowledge cutoff of December 2024.
- License
- Proprietary
- Hosted access
- Knowledge cutoff
- December 2024
Proprietary license - usage restrictions apply
Grok-4 Heavy resources
Official sources for Grok-4 Heavy: api documentation.
Grok-4 Heavy vs other models
The most-compared alternatives to Grok-4 Heavy are Claude Opus 4.6, Gemini 3 Flash, Seed 2.0 Pro. Open any pair side-by-side for benchmarks, pricing, context, and latency.
Models like Grok-4 Heavy
Models ranked just above and below Grok-4 Heavy by LLM Stats score.
FAQ
Common questions about Grok-4 Heavy.