Grok Code Fast 1
Foundation Models · Free + paid
xAI (Aug 2025) — economical reasoning model that excels at agentic coding
At a glance
- Made by
- SpaceXAI LLC (xAI)
- Korean
- None (English and a few others only)
- API
- Yes
- Available on
- API
What is Grok Code Fast 1?
grok-code-fast-1 is a coding-focused reasoning model announced on August 28, 2025. It is described as built from scratch with a new model architecture and pretrained on programming-related data. It is skilled at using tools such as grep, terminal, and file editing, and was tuned to work well in IDEs and agentic coding platforms. It is said to be especially strong in TypeScript, Python, Java, Rust, C++, and Go, and to have scored 70.8% on SWE-Bench-Verified. It is generally available through the xAI API, and was offered free for a limited time by launch partners such as GitHub Copilot, Cursor, and Cline.
- Reasoning model optimized for agentic coding
- Skilled at tool calls such as grep, terminal, and file editing
- Fast response speed and over 90% prompt cache hit rate
- Strong in TypeScript, Python, Java, Rust, C++, and Go
- SWE-Bench-Verified 70.8%
- Integrates with IDE partners such as GitHub Copilot, Cursor, and Cline
Who uses Grok Code Fast 1 and for what
- Developers handle everyday coding tasks in the IDE
- Building projects from scratch, codebase Q&A, and bug fixing
Pricing
What you get for free — Yes (free for a limited time from launch partners; Grok Free plan $0/month)
| Plan | Price | Main limits |
|---|---|---|
| API input | $0.2 | Per 1M input tokens |
| API output | $1.5 | Per 1M output tokens |
| API cached input | $0.02 | Per 1M cached input tokens |
| Grok Free | $0/mo | Limited usage |
| Grok Plus | $8/mo | Shared usage pool, includes Grok API access and Cursor |
| Grok Premium | $30/mo | 4x the usage of Plus |
| Grok Super | $100/mo | 15x the usage of Plus |
| Grok Ultra | $200/mo | 50x the usage of Plus |
| Teams | $30/mo | From $30 per user |
Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying. · Official pricing page
AI tools similar to Grok Code Fast 1 (alternatives)
Grok Code Fast 1 vs. alternatives at a glance
| AI | Pricing | Combos on the map | Connected tools | Free | Cheapest monthly | Korean |
|---|---|---|---|---|---|---|
| Grok Code Fast 1 | Free + paid | 0 | 5 | Yes | $8/mo | No |
| Alibaba Cloud (Qwen) | Free | 0 | 17 | Yes | — | — |
| ByteDance | Free + paid | 0 | 17 | Yes | 9.9 CNY/mo | No |
| Code World Model | Free | 0 | 17 | — | — | No |
| Cognition (SWE-1) | Free + paid | 0 | 17 | — | — | No |
3 of these 5 tools have a free plan. Cheapest paid plan: Grok Code Fast 1 ($8/mo).
Combo and connection counts are based on the relationships recorded on AI Galaxy Map (2026-10-26); they are not a quality ranking.
Grok Code Fast 1 on AI Galaxy Map
- One of 60 AI tools in the Foundation Models field.
- Connected to 5 other tools — #16 in its field.
Frequently asked questions
Can I use Grok Code Fast 1 for free?
Yes (free for a limited time from launch partners; Grok Free plan $0/month). Prices can change, so check the official site before paying.
What AI can I use instead of Grok Code Fast 1?
Tools that do the same job, such as Alibaba Cloud (Qwen), ByteDance, Code World Model, Cognition (SWE-1), are connected to it on the map.
Can I use Grok Code Fast 1 in Korean?
None (English and a few others only)
Sources (official pages)
Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying.