GLM 5.3 Prime vs Sonar Deep Research

Price, context window & benchmark comparison

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GLM 5.3 Prime

Z.ai (Zhipu)
$2.80 / $8.80
Input / Output · per 1M tokens
VS
P

Sonar Deep Research

Perplexity
$2.00 / $8.00
Input / Output · per 1M tokens
Compare different models
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P
Verdict: Sonar Deep Research is 19% cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix. GLM 5.3 Prime has the larger context window (1M vs 128K).
GLM 5.3 PrimeSonar Deep Research
Input price / 1M$2.80$2.00
Output price / 1M$8.80$8.00
Blended price (3:1)$4.30$3.50
Cached input / 1M$0.56
Context window1M128K
Max output131K115K
Intelligence index
Coding index
Providers1
Best provider uptime (30m)100.0%
Vision inputNoNo
ReasoningYesYes
Tool callingYesNo
Released2026-09-232025-03-07
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FAQ

Which is cheaper, GLM 5.3 Prime or Sonar Deep Research?

Sonar Deep Research is 19% cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix.

GLM 5.3 Prime vs Sonar Deep Research: which has a bigger context window?

GLM 5.3 Prime: 1,000,000 tokens. Sonar Deep Research: 128,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5.3 Prime ≈ $10,000, Sonar Deep Research ≈ $8,000.

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