GPT-4o mini vs Grok Code Fast 1
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
GPT-4o mini
OpenAI · Jul 2024
The 2024 budget classic that defined the cheap-LLM tier; GPT-5 nano and mini have since taken its crown.
Grok Code Fast 1
xAI · Aug 2025
A speed-first coding model built for agentic IDE loops, popular as a cheap fast tier in Cursor and similar tools.
The verdict
These two models don't yet share verified results on the benchmarks we track, so judge them on specs, pricing and intended use. GPT-4o mini is about 2.0x cheaper per blended million tokens (3:1 input:output mix). Grok Code Fast 1 also takes 256K of context versus 128K for GPT-4o mini.
Specs & pricing
| GPT-4o mini | Grok Code Fast 1 | |
|---|---|---|
| modhub Index | — | — |
| Input price / 1M | $0.15 | $0.2 |
| Output price / 1M | $0.6 | $1.5 |
| Context window | 128K | 256K |
| Max output | 16K | — |
| Open weights | no | no |
| Reasoning model | no | yes |
| Multimodal input | text, image | text |
| Knowledge cutoff | Oct 2023 | Aug 2025 |
| Released | Jul 2024 | Aug 2025 |
| Example monthly cost* | $2.40 | $4.25 |
* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.
Frequently asked questions
- Which is better, GPT-4o mini or Grok Code Fast 1?
- These two models don't yet share verified results on the benchmarks we track, so judge them on specs, pricing and intended use. GPT-4o mini is about 2.0x cheaper per blended million tokens (3:1 input:output mix). Grok Code Fast 1 also takes 256K of context versus 128K for GPT-4o mini.
- Which is cheaper, GPT-4o mini or Grok Code Fast 1?
- GPT-4o mini costs $0.15/$0.6 per million input/output tokens, while Grok Code Fast 1 costs $0.2/$1.5. For a typical workload of 10M input and 1.5M output tokens per month, that's $2.40 versus $4.25.
- Which model is better for coding, GPT-4o mini or Grok Code Fast 1?
- We don't yet track SWE-bench Verified results for both models; check their individual pages for coding-related scores.
More comparisons
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