Beam 1.0 501B A23B vs GLM 5.3 Prime

Price, context window & benchmark comparison

Reflection

Beam 1.0 501B A23B

Reflection
$0.25 / $1.00
Input / Output · per 1M tokens
VS
Z.ai (Zhipu)

GLM 5.3 Prime

Z.ai (Zhipu)
$2.80 / $8.80
Input / Output · per 1M tokens
Compare different models
Reflection
Z.ai (Zhipu)
Verdict: Beam 1.0 501B A23B is 9.8× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix. Beam 1.0 501B A23B has the larger context window (1M vs 1M).
Beam 1.0 501B A23BGLM 5.3 Prime
Input price / 1M$0.25$2.80
Output price / 1M$1.00$8.80
Blended price (3:1)$0.44$4.30
Cached input / 1M$0.05$0.56
Context window1M1M
Max output131K131K
Intelligence index——
Coding index——
Providers—1
Best provider uptime (30m)—100.0%
Vision inputNoNo
ReasoningYesYes
Tool callingYesYes
Released2026-10-162026-09-23
Retirement——

Cost calculator

FAQ

Which is cheaper, Beam 1.0 501B A23B or GLM 5.3 Prime?

Beam 1.0 501B A23B is 9.8× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix.

Beam 1.0 501B A23B vs GLM 5.3 Prime: which has a bigger context window?

Beam 1.0 501B A23B: 1,048,576 tokens. GLM 5.3 Prime: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Beam 1.0 501B A23B ≈ $1,000, GLM 5.3 Prime ≈ $10,000.

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