Gemini 3.5 Flash-Lite vs GLM-5.3: Specs & Benchmark Comparison
Gemini 3.5 Flash-Lite is developed by Google, while GLM-5.3 comes from Zhipu AI. Gemini 3.5 Flash-Lite was released in July 2026, and GLM-5.3 followed a month later in August 2026. GLM-5.3 has a published size of about 753 billion parameters; Google has not disclosed the parameter count of Gemini 3.5 Flash-Lite.
We have 6 benchmark results for Gemini 3.5 Flash-Lite and 17 benchmark results for GLM-5.3, but they overlap on a single test: Terminal-Bench 2.1, where GLM-5.3 scores 88.0% against 54.0%.
Gemini 3.5 Flash-Lite is the cheaper API at $0.30 per million input tokens and $2.50 per million output tokens, roughly 5 times cheaper than GLM-5.3 at $1.40 and $4.40. Both accept a context window of about 1M tokens. Gemini 3.5 Flash-Lite accepts text and images as input, while GLM-5.3 accepts text.
| Characteristic | Gemini 3.5 Flash-Lite | GLM-5.3 |
|---|---|---|
| Company | Zhipu AI | |
| Release Date | July 21, 2026 | August 14, 2026 |
| Parameters | — | 753B |
| Multimodal | Yes | No |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 66K | 131K |
| Input Price / 1M | $0.30 | $1.40 |
| Output Price / 1M | $2.50 | $4.40 |
| Average Score | 53.2% | 52.2% |
| Benchmarks | ||
| Terminal-Bench 2.1 | 54.0% | 88.0% |
Visual Benchmark Comparison
Verdict
Both models show equal results — the choice depends on your specific use case.
Both models show comparable average scores: Gemini 3.5 Flash-Lite — 0.5, GLM-5.3 — 0.5.
Gemini 3.5 Flash-Lite is 2.1x cheaper: input $0.30/1M vs $1.40/1M tokens.
Same context size: 1M tokens.
GLM-5.3 is newer: released 8/14/2026 vs 7/21/2026.
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Frequently Asked Questions
Which is better for coding — Gemini 3.5 Flash-Lite or GLM-5.3?
Which model is cheaper — Gemini 3.5 Flash-Lite or GLM-5.3?
Which has a larger context window — Gemini 3.5 Flash-Lite or GLM-5.3?
The Gemini 3.5 Flash-Lite 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 3.5 Flash-Lite or GLM-5.3 page. See also the complete list of AI model comparisons.