Grok Build 0.1
| Maker | xAI |
|---|---|
| Released | 2026-05-29 |
| Context | 256K |
| Max output | 256K |
| Open weights | Closed |
|---|---|
| Modalities | text, image, pdf → text |
| Input / 1M | $1.00 |
| Output / 1M | $2.00 |
| Above 200K in | $2.00 / $4.00 |
|---|---|
| Review call | $0.031 |
| Hosts | xAI (Grok), OpenRouter |
| Model id | grok-build-0.1 |
CodePanel's benchmark has not run Grok Build 0.1 as a pull-request reviewer yet, so this page has no recall, false-alarm or measured-cost figures for it. The methodology explains how ranked models are scored.
No xAI model is in the run yet. The ranked model closest to it in list price is Gemini 3.8 Flash from Google, which caught 68% [54%–81%] of the known bugs at rank 1 of 17, with a measured review cost of $0.0862. At list price, a typical review call (26.2K tokens in and 2.4K out) costs $0.031 on Grok Build 0.1 and $0.0287 on Gemini 3.8 Flash, so this model's call is 8% more than that one's.
| Host | Model id | Input / 1M | Output / 1M |
|---|---|---|---|
| xAI (Grok) | grok-build-0.1 | $1.00 | $2.00 |
Source: xAI pricing, Oct 16, 2026
| Model | Maker | Input / 1M | Output / 1M | Review call | Context | Bugs caught |
|---|---|---|---|---|---|---|
| Qwen3.8 27B (Groq) | Groq | $0.80 | $4.00 | $0.0306 | 131.1K | – |
| GPT-5.4 Mini | OpenAI | $0.75 | $4.50 | $0.0305 | 400K | – |
| Step 5 Preview (OpenRouter) | StepFun | $1.00 | $2.70 | $0.0327 | 1M | – |
| Gemini 3.8 Flash | $0.75 | $3.75 | $0.0287 | 1M | 68% |
Updated Oct 23, 2026