DeepSeek V4 Flash 0423 vs GLM 5.1
Price, context window & benchmark comparison
VS
Compare different models
Verdict: DeepSeek V4 Flash 0423 is 13.4× cheaper than GLM 5.1 on a typical 3:1 input/output mix. GLM 5.1 scores higher on the Artificial Analysis Intelligence Index (26.1 vs 24.2). DeepSeek V4 Flash 0423 has the larger context window (1M vs 205K).
| DeepSeek V4 Flash 0423 | GLM 5.1 | |
|---|---|---|
| Input price / 1M | $0.0886 | $0.97 |
| Output price / 1M | $0.18 | $3.04 |
| Blended price (3:1) | $0.11 | $1.48 |
| Cached input / 1M | $0.0177 | $0.18 |
| Context window | 1M | 205K |
| Max output | 384K | 128K |
| Intelligence index | 24.2 | 26.1 |
| Coding index | 56.2 | 55.8 |
| Providers | — | — |
| Best provider uptime (30m) | — | — |
| Vision input | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-04-24 | 2026-04-07 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, DeepSeek V4 Flash 0423 or GLM 5.1?
DeepSeek V4 Flash 0423 is 13.4× cheaper than GLM 5.1 on a typical 3:1 input/output mix.
DeepSeek V4 Flash 0423 vs GLM 5.1: which has a bigger context window?
DeepSeek V4 Flash 0423: 1,048,576 tokens. GLM 5.1: 204,800 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash 0423 ≈ $265.80, GLM 5.1 ≈ $3,450.
More comparisons
DeepSeek V4 Flash 0423 vs GLM 5.3 PrimeDeepSeek V4 Flash 0423 vs Qwen3.8 Max PrimeDeepSeek V4 Flash 0423 vs Command A+DeepSeek V4 Flash 0423 vs GPT-6 Luna ProDeepSeek V4 Flash 0423 vs GPT-6 LunaDeepSeek V4 Flash 0423 vs GPT-6 Sol ProDeepSeek V4 Flash 0423 vs GPT-6 SolDeepSeek V4 Flash 0423 vs Claude Opus 5.5DeepSeek V4 Flash 0423 vs MiMo-V2.6-Pro-UltraSpeedDeepSeek V4 Flash 0423 vs MiMo-V2.6-FlashDeepSeek V4 Flash 0423 vs Grok 4.7DeepSeek V4 Flash 0423 vs Qwen3.8 Omni FlashDeepSeek V4 Flash 0423 vs GLM 5.3 FlashXDeepSeek V4 Flash 0423 vs DeepSeek V4.1 FlashDeepSeek V4 Flash 0423 vs GPT-6 AstraDeepSeek V4 Flash 0423 vs GPT-6 Astra ProGLM 5.1 vs GLM 5.3 PrimeGLM 5.1 vs Qwen3.8 Max PrimeGLM 5.1 vs Command A+GLM 5.1 vs GPT-6 Luna ProGLM 5.1 vs GPT-6 LunaGLM 5.1 vs GPT-6 Sol ProGLM 5.1 vs GPT-6 SolGLM 5.1 vs Claude Opus 5.5