Ember-1 vs GLM 5.3 Flash

Price, context window & benchmark comparison

Fireworks

Ember-1

Fireworks
$3.00 / $15.00
Input / Output · per 1M tokens
VS
Z.ai (Zhipu)

GLM 5.3 Flash

Z.ai (Zhipu)
$0.0399 / $0.0784
Input / Output · per 1M tokens
Compare different models
Fireworks
Z.ai (Zhipu)
Verdict: GLM 5.3 Flash is 121.2× cheaper than Ember-1 on a typical 3:1 input/output mix.
Ember-1GLM 5.3 Flash
Input price / 1M$3.00$0.0399
Output price / 1M$15.00$0.0784
Blended price (3:1)$6.00$0.0495
Cached input / 1M$0.30$0.03
Context window1M1M
Max output944K131K
Intelligence index—27.8
Coding index—71.5
Providers—42
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-242026-08-26
Retirement——

Cost calculator

FAQ

Which is cheaper, Ember-1 or GLM 5.3 Flash?

GLM 5.3 Flash is 121.2× cheaper than Ember-1 on a typical 3:1 input/output mix.

Ember-1 vs GLM 5.3 Flash: which has a bigger context window?

Ember-1: 1,048,576 tokens. GLM 5.3 Flash: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Ember-1 ≈ $13,500, GLM 5.3 Flash ≈ $119.00.

More comparisons