Grok Code Fast 1
xAIGrokProprietary
Description
Grok Code Fast 1 is a speedy and economical reasoning model that excels at agentic coding. Built from scratch with a brand-new model architecture, it features a pre-training corpus rich with programming-related content and post-training datasets that reflect real-world pull requests and coding tasks. The model has mastered the use of common tools like grep, terminal, and file editing, making it ideal for integration with IDEs. It is exceptionally versatile across the full software development stack and is particularly adept at TypeScript, Python, Java, Rust, C++, and Go.
Release Date
2025-08-28
Parameters
—
Context Length
256K
Modalities
text
Capability Radar
41
general
40
coding
48
reasoning
47
scienceest.
0
agents
0
multimodal
Science uses a reasoning proxy when dedicated science benchmarks are unavailable.
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 153 | 49.0 | AA |
| General Ranking | 148 | 58.0 | AA |
| Math Reasoning | 209 | 44.0 | AA |
| Science | 174 | 50.0 | AA |
Benchmark Scores (LLM Stats)
Code
SWE-Bench Verified
70.8%SR
AA Evaluation Indices
Math Index43.3
Intelligence Index28.7
Coding Index23.7
Mmlu Pro0.8
Tau20.8
Gpqa0.7
Livecodebench0.7
Lcr0.5
Aime 250.4
Ifbench0.4
Scicode0.4
Terminalbench Hard0.2
Hle0.1
LLM Stats Category Scores
Code70
Frontend Development70
Reasoning70
Pricing
Input Price$0.2 / 1M tokens
Output Price$1.5 / 1M tokens
Blended Price (3:1)$0.525 / 1M tokens
Speed
Tokens/sec84.4 tokens/s
Time to First Token6.87s
Time to Answer6.87s
Available Providers
(LS internal units)| Provider | Input Price | Output Price |
|---|---|---|
| xAI | 200K | 1.5M |