GLM 5.3 FlashX vs Grok 4.6

Price, context window & benchmark comparison

Z

GLM 5.3 FlashX

Z.ai (Zhipu)
$0.37 / $1.25
Input / Output · per 1M tokens
VS
X

Grok 4.6

xAI
$2.00 / $6.00
Input / Output · per 1M tokens
Compare different models
Z
X
Verdict: GLM 5.3 FlashX is 5.1× cheaper than Grok 4.6 on a typical 3:1 input/output mix. GLM 5.3 FlashX has the larger context window (1M vs 500K).
GLM 5.3 FlashXGrok 4.6
Input price / 1M$0.37$2.00
Output price / 1M$1.25$6.00
Blended price (3:1)$0.59$3.00
Cached input / 1M$0.09$0.50
Context window1M500K
Max output131K450K
Intelligence index44.3
Coding index76.8
Providers15
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-182026-08-12
Retirement

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FAQ

Which is cheaper, GLM 5.3 FlashX or Grok 4.6?

GLM 5.3 FlashX is 5.1× cheaper than Grok 4.6 on a typical 3:1 input/output mix.

GLM 5.3 FlashX vs Grok 4.6: which has a bigger context window?

GLM 5.3 FlashX: 1,048,576 tokens. Grok 4.6: 500,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5.3 FlashX ≈ $1,365, Grok 4.6 ≈ $7,000.

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