Gemini 3 Flash Preview vs GLM-5.2
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
|
Gby Google
|
Zby Z.AI
2 providers:
Together $1.40/$4.40
Z.AI $1.40/$4.40
|
|
|---|---|---|
| Overview | ||
| Status | Preview flagship | Current flagship Open weights |
| Released | Dec 17, 2025 | Jun 13, 2026 |
| Pricing per million tokens | ||
| Input | $0.500/Mtok | $1.40/Mtok |
| Output | $3.00/Mtok | $4.40/Mtok |
| Blended avg | $1.75/Mtok | $2.90/Mtok |
| Cached input | $0.050/Mtok | $0.260/Mtok |
| Specifications | ||
| Context window | 1M tokens | 1M tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
textimageaudiovideo
|
text
|
| Providers | ||
| Available from |
Google — $0.500/$3.00/Mtok
|
Together — $1.40/$4.40/Mtok
Z.AI — $1.40/$4.40/Mtok
|
Cost at scale — 1M tokens (50/50 input/output)
| Volume | Gemini 3 Flash Preview | GLM-5.2 | Savings |
|---|---|---|---|
| 1M tokens | $1.75 | $2.9 | $1.15 (39.7%) |
| 10M tokens | $17.5 | $29 | $11.5 (39.7%) |
| 100M tokens | $175 | $290 | $115 (39.7%) |
| 1000M tokens | $1750 | $2900 | $1150 (39.7%) |
Summary
Gemini 3 Flash Preview by Google costs $0.500/Mtok input and $3.00/Mtok output, with a 1M-token context window. It supports text, image, audio, video input.
GLM-5.2 by Z.AI costs $1.40/Mtok input and $4.40/Mtok output, with a 1M-token context window. It supports text input and is available from 2 providers.
On a blended cost basis, Gemini 3 Flash Preview is 39.7% cheaper than GLM-5.2. It also has a larger context window.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.