xAI · stable
xAI's documented chat API model for coding, agentic tasks and knowledge work.
Specialist evidence
Source-native operational evidence for Grok 4.5. Exact configurations remain separate. Costs are comparable only within the same selected benchmark/evaluation, and these rows never enter Overall Score.
| Evaluation | Exact configuration | Performance | Cost / task | Tokens / task | Execution |
|---|---|---|---|---|---|
| Artificial Analysis Coding Agents · 1.4 · composite Artificial Analysis Coding Agents · checked 2026-08-29 | grok-4-5-aa-2-high Grok Build - Grok 4.5 (high) | 64.1 | $2.44 | 3598868 | 60.7 steps |