Gemini 3.5 Flash vs Grok 4.3
List-price comparison · Gemini 3.5 Flash details · Grok 4.3 details
For a typical workload (100,000 requests / mo), Grok 4.3 costs 54% less — $250.00/mo vs $540.00/mo.
| Gemini 3.5 Flash | Grok 4.3 | |
|---|---|---|
| Input / 1M tokens | $1.50 | $1.25 |
| Output / 1M tokens | $9.00 | $2.50 |
| Typical request (1,200 in + 400 out) | $0.0054 | $0.0025 |
| Context window | 1,048,576 tokens | 1M tokens |
| Max output | 65,536 tokens | — |
| Tier | Flash | Flagship |
| Provider | xAI |
Projected monthly cost
Rows open both models in the calculator — adjust volume and token counts there.
Gemini 3.5 Flash
Fast, cheap multi-modal model with the same 1M-token context as the Pro tier — good for high-volume document Q&A and image/audio triage.
Reasoning quality trails the Pro tier on complex, multi-step tasks; best used where speed and context size matter more than depth.
Grok 4.3
Strong real-time knowledge via X/Twitter integration and competitive general reasoning at a lower price than other flagship models.
Smaller third-party ecosystem and fewer enterprise compliance certifications than OpenAI/Anthropic/Google offerings.
More comparisons
Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.