GLM 5 vs GLM 5.3 FlashX
Price, context window & benchmark comparison
VS
Compare different models
Verdict: GLM 5.3 FlashX is 37% cheaper than GLM 5 on a typical 3:1 input/output mix. GLM 5.3 FlashX has the larger context window (1M vs 205K).
| GLM 5 | GLM 5.3 FlashX | |
|---|---|---|
| Input price / 1M | $0.60 | $0.37 |
| Output price / 1M | $1.92 | $1.25 |
| Blended price (3:1) | $0.93 | $0.59 |
| Cached input / 1M | $0.12 | $0.09 |
| Context window | 205K | 1M |
| Max output | 128K | 131K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | — | 1 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-02-11 | 2026-09-18 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GLM 5 or GLM 5.3 FlashX?
GLM 5.3 FlashX is 37% cheaper than GLM 5 on a typical 3:1 input/output mix.
GLM 5 vs GLM 5.3 FlashX: which has a bigger context window?
GLM 5: 204,800 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: GLM 5 ≈ $2,160, GLM 5.3 FlashX ≈ $1,365.
More comparisons
GLM 5 vs GLM 5.3 PrimeGLM 5 vs Qwen3.8 Max PrimeGLM 5 vs Command A+GLM 5 vs GPT-6 Luna ProGLM 5 vs GPT-6 LunaGLM 5 vs GPT-6 Sol ProGLM 5 vs GPT-6 SolGLM 5 vs Claude Opus 5.5GLM 5 vs MiMo-V2.6-Pro-UltraSpeedGLM 5 vs MiMo-V2.6-FlashGLM 5 vs Grok 4.7GLM 5 vs Qwen3.8 Omni FlashGLM 5 vs DeepSeek V4.1 FlashGLM 5 vs GPT-6 AstraGLM 5 vs GPT-6 Astra ProGLM 5 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