Grok 4 Heavy
Released
2025-07-09
Last refreshed
2026-07-09
Status
Researched 120d ago
ProprietaryCommercial use: conditionalMultimodalCodingLong contextVision
Grok 4 Heavy is a released coding, long context, and vision model with 256k context; evaluate it while provider pricing coverage matures.
xAI releases · 15 in the last 12 months · this family litChangelog →
Specifications
- Family
- Grok 4
- Released
- 2025-07-09
- Context
- 256k
- Knowledge cutoff
- 2024-11
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Weights
- Not released
- Code
- Unknown
Created by
Pricing
No tracked provider token pricing is available yet.
About
Grok 4 Heavy is xAI's Grok 4 model with multimodal text and image input. It offers a 256K-token context window.
Provider price ladder
No tracked provider token pricing is available for this model yet.
Capabilities
VisionMultimodal
Benchmark peer barsfor Coding
SWE-bench ProRank 45 of 46
Benchmark scores(1)
Scores are benchmark-specific and are direction-aware: the same numeric gap can mean very different outcomes across suites. Use the leaderboard context and this model's provider route to decide whether the winning margin is meaningful for your workload.
| Benchmark | Score | Version | Evaluation | Source |
|---|---|---|---|---|
| SWE-bench Pro | 39.8 | —Observed 2026-04-15 | — | Source |
Migration checks
No linked migration route is available for this model yet.