Home › Compare › Fireworks: Ember-1 vs Z.ai: GLM 5.3 Prime
Fireworks: Ember-1 vs Z.ai: GLM 5.3 Prime: API Pricing Compared
Comparing Fireworks: Ember-1 and Z.ai: GLM 5.3 Prime: on combined input+output list price, Z.ai: GLM 5.3 Prime is cheaper at $11.6 vs $18 per 1M tokens — a difference of $6.4 (36%). Fireworks: Ember-1 costs $3 in / $15 out with a 1,048,576-token context; Z.ai: GLM 5.3 Prime costs $2.8 in / $8.8 out with a 1,000,000-token context.
| Fireworks: Ember-1 | Z.ai: GLM 5.3 Prime | |
|---|---|---|
| Input /1M | $3 | $2.8 |
| Output /1M | $15 | $8.8 |
| Cached input /1M | $0.3 | $0.56 |
| Context window | 1,048,576 | 1,000,000 |
| Max output tokens | 943,718 | 131,072 |
| Cost @ 10M in + 2M out / mo | $60 | $45.6 |
Estimate your own workload in the cost calculator, or open the full pages for Fireworks: Ember-1 and Z.ai: GLM 5.3 Prime.
Frequently asked questions
Which is cheaper, Fireworks: Ember-1 or Z.ai: GLM 5.3 Prime?
Z.ai: GLM 5.3 Prime is cheaper on combined list price: $11.6 vs $18 per 1M tokens (input + output). At 10M input + 2M output tokens per month, Fireworks: Ember-1 costs $60 and Z.ai: GLM 5.3 Prime costs $45.6.
Which has the larger context window, Fireworks: Ember-1 or Z.ai: GLM 5.3 Prime?
Fireworks: Ember-1 has a context window of 1,048,576 tokens; Z.ai: GLM 5.3 Prime has 1,000,000 tokens. The larger one is Fireworks: Ember-1.
Price snapshot October 22, 2026, refreshed daily.