Updated March 26, 2026· Based on independent benchmark data
Google: Gemini 3.5 Flash is 1.7x cheaper at $1.50/1M tokens vs $2.50/1M.
| Metric | Google: Gemini 3.5 Flash | GPT-5.4 (xhigh) |
|---|---|---|
| Intelligence Score | N/A | 57.2 |
| Coding Score | N/A | 57.3 |
| Math Score | N/A | N/A |
| Speed (tok/s) | N/A | 77 tok/s |
| Latency (TTFT) | N/A | 181.82s |
| Input Price / 1M tokens | $1.50 | $2.50 |
| Output Price / 1M tokens | $9.00 | $15 |
| Context Window | 1.0M | N/A |
| Max Output Tokens | 66K | N/A |
| Input Modalities | Text + Image + Video + File + Audio | Text |
| Output Modalities | Text | Text |
| Free Tier | No | No |
Google: Gemini 3.5 Flash is more affordable at $1.50/1M input tokens ($9.00/1M output), while GPT-5.4 (xhigh) costs $2.50/1M input ($15/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, Google: Gemini 3.5 Flash would cost approximately $9.00/month vs $15.00/month for GPT-5.4 (xhigh) in input costs alone.
Choose Google: Gemini 3.5 Flash when you need lower cost.
Google: Gemini 3.5 Flash is cheaper at $1.50/1M input tokens vs $2.50/1M for GPT-5.4 (xhigh).
Yes, Google: Gemini 3.5 Flash supports image input. GPT-5.4 (xhigh) does not support image input.
Data last synced: March 26, 2026