Gemini 3 Flash Preview vs GLM 5.3 FlashX
Price, context window & benchmark comparison
VS
Compare different models
Verdict: GLM 5.3 FlashX is 48% cheaper than Gemini 3 Flash Preview on a typical 3:1 input/output mix.
| Gemini 3 Flash Preview | GLM 5.3 FlashX | |
|---|---|---|
| Input price / 1M | $0.50 | $0.37 |
| Output price / 1M | $3.00 | $1.25 |
| Blended price (3:1) | $1.13 | $0.59 |
| Cached input / 1M | $0.05 | $0.09 |
| Context window | 1M | 1M |
| Max output | 66K | 131K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | — | 1 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-12-17 | 2026-09-18 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, Gemini 3 Flash Preview or GLM 5.3 FlashX?
GLM 5.3 FlashX is 48% cheaper than Gemini 3 Flash Preview on a typical 3:1 input/output mix.
Gemini 3 Flash Preview vs GLM 5.3 FlashX: which has a bigger context window?
Gemini 3 Flash Preview: 1,048,576 tokens. GLM 5.3 FlashX: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Gemini 3 Flash Preview ≈ $2,500, GLM 5.3 FlashX ≈ $1,365.
More comparisons
Gemini 3 Flash Preview vs GLM 5.3 PrimeGemini 3 Flash Preview vs Qwen3.8 Max PrimeGemini 3 Flash Preview vs Command A+Gemini 3 Flash Preview vs GPT-6 Luna ProGemini 3 Flash Preview vs GPT-6 LunaGemini 3 Flash Preview vs GPT-6 Sol ProGemini 3 Flash Preview vs GPT-6 SolGemini 3 Flash Preview vs Claude Opus 5.5Gemini 3 Flash Preview vs MiMo-V2.6-Pro-UltraSpeedGemini 3 Flash Preview vs MiMo-V2.6-FlashGemini 3 Flash Preview vs Grok 4.7Gemini 3 Flash Preview vs Qwen3.8 Omni FlashGemini 3 Flash Preview vs DeepSeek V4.1 FlashGemini 3 Flash Preview vs GPT-6 AstraGemini 3 Flash Preview vs GPT-6 Astra ProGemini 3 Flash Preview vs Qwen3.8 Max (0902)GLM 5.3 FlashX vs GLM 5.3 PrimeGLM 5.3 FlashX vs Qwen3.8 Max PrimeGLM 5.3 FlashX vs Command A+GLM 5.3 FlashX vs GPT-6 Luna ProGLM 5.3 FlashX vs GPT-6 LunaGLM 5.3 FlashX vs GPT-6 Sol ProGLM 5.3 FlashX vs GPT-6 SolGLM 5.3 FlashX vs Claude Opus 5.5