Gemini 3.8 Flash vs GLM-5.3: Specs & Benchmark Comparison
| Characteristic | Gemini 3.8 Flash | GLM-5.3 |
|---|---|---|
| Company | Zhipu AI | |
| Release Date | September 2, 2026 | August 14, 2026 |
| Parameters | — | 753B |
| Multimodal | Yes | No |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 66K | 131K |
| Input Price / 1M | $0.75 | $1.40 |
| Output Price / 1M | $3.75 | $4.40 |
| Average Score | 0.6 | 0.8 |
| Benchmarks | ||
| Terminal-Bench 2.1 | 0.9 | 0.9 |
Visual Benchmark Comparison
Gemini 3.8 Flash
GLM-5.3
Terminal-Bench 2.10.9 vs 0.9
0.9
0.9
Verdict
Gemini 3.8 Flash leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Gemini 3.8 Flash — 0.6, GLM-5.3 — 0.8.
API Cost
Gemini 3.8 Flash is 1.3x cheaper: input $0.75/1M vs $1.40/1M tokens.
Context Window
Same context size: 1M tokens.
Recency
Gemini 3.8 Flash is newer: released 9/2/2026 vs 8/14/2026.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — Gemini 3.8 Flash or GLM-5.3?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Gemini 3.8 Flash or GLM-5.3?
Gemini 3.8 Flash is cheaper for input: $0.75 per 1M tokens vs $1.40.
Which has a larger context window — Gemini 3.8 Flash or GLM-5.3?
Gemini 3.8 Flash supports a larger context: 1,048,576 tokens vs 1,048,576.
The Gemini 3.8 Flash and GLM-5.3 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3.8 Flash or GLM-5.3 page. See also the complete list of AI model comparisons.