Grok Code Fast 1 vs. Claude 4.1 Opus (Non-reasoning)
Comparison between Grok Code Fast 1 and Claude 4.1 Opus (Non-reasoning) across intelligence, price, speed, context window and more.
For details relating to our methodology, see our Methodology page.
| Intelligence | |||
|---|---|---|---|
| Intelligence Index | 14* | 19* | |
| Humanity's Last Exam | 8% | ||
| CritPt | 0% | ||
| AA-Omniscience | −37 | ||
| AA-LCR v1.1 | 53% | ||
| Cost | |||
| Price per 1M Tokens | $11.55 | ||
| Input Price per 1M Tokens | $15.00 | ||
| Output Price per 1M Tokens | $75.00 | ||
| Cache Hit Price per 1M Tokens | $1.50 | ||
| Token Use | |||
| Performance | |||
| Technical specifications | |||
| Context Window | 256k tokens~384 A4 pages of size 12 Arial font | 200k tokens~300 A4 pages of size 12 Arial font | |
| Release Date | August 2025 | August 2025 | |
| Knowledge Cutoff | March 2025 | ||
| Reasoning | Yes | No | |
| Input modality | Supports: text | Supports: text and image | |
| Output modality | Supports: text | Supports: text | |
| Open Source (Weights) | No | No | |
* Estimated
Speed
Intelligence
Artificial Analysis Intelligence Index
Artificial Analysis Intelligence Index by Open Weights / Proprietary
Intelligence Index vs. Cost per Task
Cost per Task (USD, Log Scale)
Evaluations
Agentic knowledge work, (Elo-500)/2000
Knowledge
1 - hallucination rate
Agentic SaaS workflows
Agentic real-world work tasks, (Elo-500)/2000
Reasoning & knowledge
Professional document reasoning, All-pass
Agentic coding & terminal use
Long context reasoning
Coding
Physics reasoning
Agentic scientific research workflows in a terminal
Agentic software engineering in open-source repositories
Quantitative analysis on spreadsheets & documents
Legal agentic work, Hallucination-Gated All-Pass Rate
Agentic business operations
Kubernetes incident root-cause analysis
Medical long context reasoning
Visual reasoning
AA-Omniscience
AA-Omniscience Index
Intelligence Index Comparisons
Intelligence Index vs. Cost per Task
Cost per Task (USD, Log Scale)
Cost
Cost per Intelligence Index Task
Cost to Run Artificial Analysis Intelligence Index
Pricing: Cache Hit, Input, and Output
Context Window
Context Window
Frequently Asked Questions
Claude 4.1 Opus (Non-reasoning) is more intelligent. Claude 4.1 Opus (Non-reasoning) scores 19 (estimated), compared with Grok Code Fast 1 at 14 (estimated) on the Artificial Analysis Intelligence Index.
Grok Code Fast 1 has a larger context window. Grok Code Fast 1 supports 260k tokens, compared with Claude 4.1 Opus (Non-reasoning) at 200k tokens.