by Z.ai
GLM 5.3 Flash reviews
Z.ai's small, fast model. It costs a fraction of a frontier model and handles drafts, summaries and bulk SEO jobs well.
$0.50 per 1M output tokens · Intelligence 41.8
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Editor's take
The model to leave running all day. Just don't hand it your hardest problem.
Read our hands-on test of GLM 5.3 Flash7.5/10
Editor's score
not in user rating
How GLM 5.3 Flash compares on price
GLM 5.3 Flash scores 41.8 at $0.50 per 1M output tokens. GPT-6 Astra leads with 52.7.
What changed since GLM 4.7 Flash
GLM 5.3 Flash is the newer release. Reviews of GLM 4.7 Flash stay on its own page.
| GLM 4.7 Flash | GLM 5.3 Flash | Change | |
|---|---|---|---|
| Price / 1M output | $0.40 | $0.50 | +25% |
| Intelligence | 14.9 | 41.8 | +26.9 |
| Agentic | — | 50.9 | Not benchmarked yet |
| Coding | — | 71.5 | Not benchmarked yet |
| $5 free credit | ≈ 7,400 replies | ≈ 5,900 replies | −20% |
Make up your own mind about GLM 5.3 Flash
Your free $5 covers about 5,900 typical replies from GLM 5.3 Flash, or roughly 7,500,000 words of writing. No card needed.
How we estimate: a typical reply is about 550 words, written with about 3,750 words of conversation sent along with it, at Saaga's billed price for GLM 5.3 Flash. Long documents, file uploads and agents that call tools use more per reply; quick questions use less. “Words of writing” counts output only.
Compare with other models
Try GLM 5.3 Flash freeYour $5 covers ≈ 5,900 replies
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