GLM 5.3 FlashX vs Phi 4
Price, context window & benchmark comparison
VS
Compare different models
Verdict: Phi 4 is 6.7× cheaper than GLM 5.3 FlashX on a typical 3:1 input/output mix. GLM 5.3 FlashX has the larger context window (1M vs 16K).
| GLM 5.3 FlashX | Phi 4 | |
|---|---|---|
| Input price / 1M | $0.37 | $0.07 |
| Output price / 1M | $1.25 | $0.14 |
| Blended price (3:1) | $0.59 | $0.0875 |
| Cached input / 1M | $0.09 | — |
| Context window | 1M | 16K |
| Max output | 131K | 15K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| Released | 2026-09-18 | 2025-01-10 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GLM 5.3 FlashX or Phi 4?
Phi 4 is 6.7× cheaper than GLM 5.3 FlashX on a typical 3:1 input/output mix.
GLM 5.3 FlashX vs Phi 4: which has a bigger context window?
GLM 5.3 FlashX: 1,048,576 tokens. Phi 4: 16,384 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 5.3 FlashX ≈ $1,365, Phi 4 ≈ $210.00.
More comparisons
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 5.5GLM 5.3 FlashX vs MiMo-V2.6-Pro-UltraSpeedGLM 5.3 FlashX vs MiMo-V2.6-FlashGLM 5.3 FlashX vs Grok 4.7GLM 5.3 FlashX vs Qwen3.8 Omni FlashGLM 5.3 FlashX vs DeepSeek V4.1 FlashGLM 5.3 FlashX vs GPT-6 AstraGLM 5.3 FlashX vs GPT-6 Astra ProGLM 5.3 FlashX vs Qwen3.8 Max (0902)Phi 4 vs GLM 5.3 PrimePhi 4 vs Qwen3.8 Max PrimePhi 4 vs Command A+Phi 4 vs GPT-6 Luna ProPhi 4 vs GPT-6 LunaPhi 4 vs GPT-6 Sol ProPhi 4 vs GPT-6 SolPhi 4 vs Claude Opus 5.5