Updated March 26, 2026· Based on independent benchmark data
Grok 4.20 Beta 0309 (Reasoning) and GLM-5-Turbo are virtually tied on intelligence (48.5 vs 46.8). For speed, Grok 4.20 Beta 0309 (Reasoning) wins at 246 tok/s vs 0 tok/s.
| Metric | Grok 4.20 Beta 0309 (Reasoning) | GLM-5-Turbo |
|---|---|---|
| Intelligence Score | 48.5 | 46.8 |
| Coding Score | 42.2 | 36.8 |
| Math Score | N/A | N/A |
| Speed (tok/s) | 246 tok/s | 0 tok/s |
| Latency (TTFT) | 11.75s | 0.00s |
| Input Price / 1M tokens | $2.00 | Free |
| Output Price / 1M tokens | $6.00 | Free |
| Context Window | N/A | N/A |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Text | Text |
Grok 4.20 Beta 0309 (Reasoning) and GLM-5-Turbo perform similarly on overall intelligence, scoring 48.5 and 46.8 respectively. For coding tasks, Grok 4.20 Beta 0309 (Reasoning) has the edge with a coding score of 42.2 vs 36.8.
Grok 4.20 Beta 0309 (Reasoning) generates output significantly faster at 246 tok/s compared to GLM-5-Turbo's 0 tok/s, making it Infinityx faster for streaming responses. Time to first token is 0.00s for GLM-5-Turbo vs 11.75s for Grok 4.20 Beta 0309 (Reasoning), which affects perceived responsiveness in interactive applications.
GLM-5-Turbo is completely free, while Grok 4.20 Beta 0309 (Reasoning) costs $2.00/1M input tokens and $6.00/1M output tokens.
Choose Grok 4.20 Beta 0309 (Reasoning) when you need stronger coding performance (42.2), faster output (246 tok/s).
Grok 4.20 Beta 0309 (Reasoning) scores higher on coding benchmarks (42.2 vs 36.8), making it the better choice for programming tasks.
Grok 4.20 Beta 0309 (Reasoning) is faster, producing output at 246 tok/s compared to GLM-5-Turbo's 0 tok/s.
No, Grok 4.20 Beta 0309 (Reasoning) does not support image input. Neither model supports image input.
Both models perform similarly on intelligence benchmarks. Choose based on specific needs: pricing, speed, context window, or provider ecosystem.
Data last synced: March 26, 2026
| Output Modalities | Text | Text |
| Free Tier | No | Yes |