Gemini 2.0 Flash vs Grok 3 mini
Google vs xAI · Prices checked 12 August 2026
Gemini 2.0 Flash is 47 per cent cheaper on blended cost, $0.190 per million tokens against $0.360. A single 100K-input, 10K-output job costs $0.014 on Gemini 2.0 Flash against $0.035 on Grok 3 mini.
Grok 3 mini leads on 3 of the 5 benchmarks both models report. The widest gap is on LMArena Elo, where Gemini 2.0 Flash leads by 5 points. Gemini 2.0 Flash takes a 1,000,000-token context window against 131,000, giving 7.6× more room for long documents or whole-codebase work.
Pricing and capacity
| Metric | Gemini 2.0 Flash | Grok 3 mini | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.100 | $0.300 | 3.0× |
| Output / 1M tokens | $0.400 | $0.500 | 20% |
| Blended · 70/30calculated | $0.190 | $0.360 | 47% |
| Blended · 50/50calculated | $0.250 | $0.400 | 38% |
| Blended · 80/20calculated | $0.160 | $0.340 | 2.1× |
| Blended · 20/80calculated | $0.340 | $0.460 | 26% |
| Job cost · 100K + 10Kcalculated | $0.014 | $0.035 | 2.5× |
| Job cost · 1M + 100Kcalculated | $0.140 | $0.350 | 2.5× |
| Context window | 1,000,000 | 131,000 | 7.6× |
Input and output rates are as published by each provider. Blended and job-cost rows are calculated comparison metrics, not published prices — how they are derived.
Benchmarks
| Benchmark | Gemini 2.0 Flash | Grok 3 mini | Leader |
|---|---|---|---|
| MMLU | 78% | 79% | Grok 3 mini |
| GPQA Diamond | 62% | 64% | Grok 3 mini |
| MATH | 80% | 81% | Grok 3 mini |
| HumanEval | 82% | 78% | Gemini 2.0 Flash |
| LMArena Elo | 1270 Elo | 1265 Elo | Gemini 2.0 Flash |
Only suites both models report are listed, so a missing score is never shown as a loss. Figures are provider-published or from public leaderboards and are not independently re-run.
What each model is for
Gemini 2.0 Flash
Google · Efficient
Previous-generation Flash, still widely deployed. Strong default for cheap multimodal traffic.
- Cheap multimodal
- 1M context
- Wide availability
Grok 3 mini
xAI · Efficient
Cheap Grok 3 sibling. Same X firehose access, smaller model behind it, good for cost-sensitive social-media tooling.
- Cheap
- Real-time X data
- Lower latency than full Grok 3
Frequently asked questions
Which is cheaper, Gemini 2.0 Flash or Grok 3 mini?
Gemini 2.0 Flash is 47 per cent cheaper on blended cost, $0.190 per million tokens against $0.360. A single 100K-input, 10K-output job costs $0.014 on Gemini 2.0 Flash against $0.035 on Grok 3 mini. Blended cost weights input at 70% and output at 30%; price your own token split for an exact answer, since the cheaper model on a blended basis is not always cheaper for your workload.
Which performs better, Gemini 2.0 Flash or Grok 3 mini?
Grok 3 mini leads on 3 of the 5 benchmarks both models report. The widest gap is on LMArena Elo, where Gemini 2.0 Flash leads by 5 points. These are the figures each provider or public leaderboard publishes, not results we re-run, and a benchmark average can hide the specific behaviour your workload depends on.
Which has the larger context window, Gemini 2.0 Flash or Grok 3 mini?
Gemini 2.0 Flash takes a 1,000,000-token context window against 131,000, giving 7.6× more room for long documents or whole-codebase work. The context window caps everything in a single request: prompt, retrieved documents, conversation history and the model’s own output all share it.
Can I compare Gemini 2.0 Flash and Grok 3 mini on my own numbers?
Yes. Open both in the side-by-side comparison tool to see every field at once, or use the token calculator to price your actual prompt and monthly request volume against each model. Both are free and need no sign-up.
Price it for your own workload
Related matchups
Terms used on this page
Prices and scores are recomputed on every deploy from the catalogue. Prices checked 12 August 2026.