Gemini 3.1 Pro vs GLM-4.5: Specs & Benchmark Comparison
| Characteristic | Gemini 3.1 Pro | GLM-4.5 |
|---|---|---|
| Company | Zhipu AI | |
| Release Date | February 19, 2026 | July 27, 2025 |
| Parameters | — | 355B |
| Multimodal | Yes | No |
| Context (input) | 1.0M | 131K |
| Context (output) | 66K | 98K |
| Input Price / 1M | $2.50 | $0.60 |
| Output Price / 1M | $15.00 | $2.20 |
| Average Score | 0.8 | 0.8 |
| Benchmarks | ||
| GPQA | 0.9 | 0.8 |
Visual Benchmark Comparison
Gemini 3.1 Pro
GLM-4.5
GPQA0.9 vs 0.8
0.9
0.8
Verdict
Gemini 3.1 Pro leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Gemini 3.1 Pro — 0.8, GLM-4.5 — 0.8.
API Cost
GLM-4.5 is 6.3x cheaper: input $0.60/1M vs $2.50/1M tokens.
Context Window
Gemini 3.1 Pro supports a larger context: 1M vs 131K tokens.
Recency
Gemini 3.1 Pro is newer: released 2/19/2026 vs 7/27/2025.
More About These Models
Related Comparisons
The Gemini 3.1 Pro and GLM-4.5 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3.1 Pro or GLM-4.5 page. See also the complete list of AI model comparisons.