Gemini 3.5 FlashvsGLM 5
GLM 5 is cheaper than Gemini 3.5 Flash at $0.8/M vs $1.5/M input tokens.
| Spec | Gemini 3.5 Flash | GLM 5 |
|---|---|---|
| Input price | $1.5/M tokens | $0.8/M tokens |
| Output price | $9/M tokens | $2.56/M tokens |
| Context window | 1.0M tokens | 203K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | May 2026 | Feb 2026 |
Our Verdict
Gemini 3.5 Flash
GLM 5
Not enough votes to call it. On the specs, nothing separates them.
GLM 5 costs 3.5x less per token.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Gemini 3.5 Flash
Input
$1.50
Output
$9.00
GLM 5
Input
$0.80
1.9× cheaper
Output
$2.56
3.5× cheaper
GLM 5 is cheaper on both: 1.9× input, 3.5× output.
Where to run it
10 hosts, cheapest first
Gemini 3.5 Flash2 hosts
Per million tokens. Prices and uptime via OpenRouter, checked 11 Sep 2026.
Writing DNA
Style Comparison
Similarity
57%
GLM 5 uses 2.4x more hedging
Gemini 3.5 Flash
GLM 5
59%Vocabulary54%
18wSentence Length17w
0.16Hedging0.37
4.4Bold6.3
3.0Lists4.7
0.00Emoji0.00
0.89Headings0.60
0.11Transitions0.18
Based on 27 + 22 text responses
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