GLM-5.3-Flash vs Grok 4.20
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
GLM-5.3-Flash
B
Grok 4.20
- ProviderZ.aixAI
- Rank#58#56Higher rank
- TierAA
- Score74.875.4Higher score
- PriceOpen weights (MIT); API $0.15 input / $0.50 output per 1M tokens via Z.aiAPI $1.25 input / $2.50 output per 1M tokens (prompts under 200K; $2.50 / $5 above); also via Grok app subscriptions
- TaglineZ.ai's lighter open-weight GLM-5.3 variant with a 1M-token context window.A model with native tool use and real-time search integration that is designed for rapid learning and weekly improvement.
| Attribute | GLM-5.3-Flash | Grok 4.20 |
|---|---|---|
| Provider | Z.ai | xAI |
| Rank | #58 | #56Higher rank |
| Tier | A | A |
| Score | 74.8 | 75.4Higher score |
| Price | Open weights (MIT); API $0.15 input / $0.50 output per 1M tokens via Z.ai | API $1.25 input / $2.50 output per 1M tokens (prompts under 200K; $2.50 / $5 above); also via Grok app subscriptions |
| Tagline | Z.ai's lighter open-weight GLM-5.3 variant with a 1M-token context window. | A model with native tool use and real-time search integration that is designed for rapid learning and weekly improvement. |