Gemini 3.1 Flash-Lite vs Grok Code Fast 1
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
Gemini 3.1 Flash-Lite
Google · Mar 2026
The cheapest Gemini 3 model: multimodal input and a 1M context for $0.25/$1.50 — built for massive-scale pipelines.
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. Grok Code Fast 1 is about 1.1x cheaper per blended million tokens (3:1 input:output mix). Gemini 3.1 Flash-Lite also takes 1M of context versus 256K for Grok Code Fast 1.
Specs & pricing
| Gemini 3.1 Flash-Lite | Grok Code Fast 1 | |
|---|---|---|
| modhub Index | — | — |
| Input price / 1M | $0.25 | $0.2 |
| Output price / 1M | $1.5 | $1.5 |
| Context window | 1M | 256K |
| Max output | 66K | — |
| Open weights | no | no |
| Reasoning model | no | yes |
| Multimodal input | text, image, audio, video | text |
| Knowledge cutoff | Nov 2025 | Aug 2025 |
| Released | Mar 2026 | Aug 2025 |
| Example monthly cost* | $4.75 | $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, Gemini 3.1 Flash-Lite 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. Grok Code Fast 1 is about 1.1x cheaper per blended million tokens (3:1 input:output mix). Gemini 3.1 Flash-Lite also takes 1M of context versus 256K for Grok Code Fast 1.
- Which is cheaper, Gemini 3.1 Flash-Lite or Grok Code Fast 1?
- Gemini 3.1 Flash-Lite costs $0.25/$1.5 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 $4.75 versus $4.25.
- Which model is better for coding, Gemini 3.1 Flash-Lite 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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