GLM-5 vs Grok 4 Fast: Specs & Benchmark Comparison
| Characteristic | GLM-5 | Grok 4 Fast |
|---|---|---|
| Company | Zhipu AI | xAI |
| Release Date | February 10, 2026 | August 27, 2025 |
| Parameters | 744B | — |
| Multimodal | No | Yes |
| Context (input) | 200K | 2.0M |
| Context (output) | 128K | 30K |
| Input Price / 1M | — | $0.20 |
| Output Price / 1M | $0.00 | $0.50 |
| Average Score | 0.7 | 0.8 |
| Benchmarks | ||
| BrowseComp | 0.8 | 0.5 |
Visual Benchmark Comparison
GLM-5
Grok 4 Fast
BrowseComp0.8 vs 0.5
0.8
0.5
Verdict
Both models show equal results — the choice depends on your specific use case.
Overall Performance
Both models show comparable average scores: GLM-5 — 0.7, Grok 4 Fast — 0.8.
Context Window
Grok 4 Fast supports a larger context: 2M vs 200K tokens.
Recency
GLM-5 is newer: released 2/10/2026 vs 8/27/2025.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — GLM-5 or Grok 4 Fast?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GLM-5 or Grok 4 Fast?
GLM-5 is cheaper for input: $0.00 per 1M tokens vs $0.20.
Which has a larger context window — GLM-5 or Grok 4 Fast?
Grok 4 Fast supports a larger context: 2,000,000 tokens vs 200,000.
The GLM-5 and Grok 4 Fast comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GLM-5 or Grok 4 Fast page. See also the complete list of AI model comparisons.