Home › Compare › Pareto 26.9 vs Z.ai: GLM 5.3 Prime
Pareto 26.9 vs Z.ai: GLM 5.3 Prime: API Pricing Compared
Comparing Pareto 26.9 and Z.ai: GLM 5.3 Prime: on combined input+output list price, Pareto 26.9 is cheaper at $10 vs $11.6 per 1M tokens — a difference of $1.6 (14%). Pareto 26.9 costs $2.5 in / $7.5 out with a 262,144-token context; Z.ai: GLM 5.3 Prime costs $2.8 in / $8.8 out with a 1,000,000-token context.
| Pareto 26.9 | Z.ai: GLM 5.3 Prime | |
|---|---|---|
| Input /1M | $2.5 | $2.8 |
| Output /1M | $7.5 | $8.8 |
| Cached input /1M | $0.25 | $0.56 |
| Context window | 262,144 | 1,000,000 |
| Max output tokens | 131,072 | 131,072 |
| Cost @ 10M in + 2M out / mo | $40 | $45.6 |
Estimate your own workload in the cost calculator, or open the full pages for Pareto 26.9 and Z.ai: GLM 5.3 Prime.
Frequently asked questions
Which is cheaper, Pareto 26.9 or Z.ai: GLM 5.3 Prime?
Pareto 26.9 is cheaper on combined list price: $10 vs $11.6 per 1M tokens (input + output). At 10M input + 2M output tokens per month, Pareto 26.9 costs $40 and Z.ai: GLM 5.3 Prime costs $45.6.
Which has the larger context window, Pareto 26.9 or Z.ai: GLM 5.3 Prime?
Pareto 26.9 has a context window of 262,144 tokens; Z.ai: GLM 5.3 Prime has 1,000,000 tokens. The larger one is Z.ai: GLM 5.3 Prime.
Price snapshot October 21, 2026, refreshed daily.