Gemini 2.5 Flash-Lite vs Grok 4.3
Detailed comparison of API pricing, technical specifications, and benchmark scores. Updated 2026-07-01.
Cost at a Glance
Grok 4.3 is 8.7× more expensive than Gemini 2.5 Flash-Lite — switching could save 88.4% on your monthly API bill.
At 5M input + 2M output tokens per month:
Choosing Gemini 2.5 Flash-Lite could save you $9.95/mo
Price Comparison (per 1M tokens)
| Metric | Gemini 2.5 Flash-Lite | Grok 4.3 |
|---|---|---|
| Input (per 1M tokens) | $0.10 | $1.25 |
| Output (per 1M tokens) | $0.40 | $2.50 |
| Cache Write (per 1M tokens) | — | — |
| Cache Read (per 1M tokens) | $0.01 | $0.20 |
| Batch Input (per 1M tokens) | — | — |
| Batch Output (per 1M tokens) | — | — |
Prices are per 1 million tokens. Actual costs depend on your monthly token volume. Use the calculator →
Specifications
| Spec | Gemini 2.5 Flash-Lite | Grok 4.3 |
|---|---|---|
| Context Window | 1M | 1M |
| Max Output Tokens | 64K | 128K |
| Knowledge Cutoff | 2026-04 | 2026-04 |
| Modalities | Text | Text, Image, Video |
| Prompt Caching | Yes | Yes |
| Batch API | No | No |
| Thinking / Reasoning | No | Yes |
Benchmark Scores
| Benchmark | Gemini 2.5 Flash-Lite | Grok 4.3 |
|---|---|---|
| SWE-bench Verified | 45.0 | 73.0 |
| MMLU-Pro | 72.0 | 83.5 |
| HumanEval | 82.0 | 91.2 |
Benchmark scores from official provider reports. Higher is better. Missing scores indicate the provider has not published that benchmark yet.
Use Cases
Gemini 2.5 Flash-Lite
Grok 4.3
About the Providers
Gemini 2.5 Flash-Lite is developed by Google. Grok 4.3 is developed by xAI. This is a cross-provider comparison between Google and xAI models. For the most up-to-date pricing, always check the official API documentation from each provider.