CtrlAltDebrief

GLM 5.2 vs Grok 4.3

API pricing, context window and capabilities for GLM 5.2 and Grok 4.3, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.

Verdict

computed from the published numbers

GLM 5.2 wins on price, on coding and on intelligence.

Price
GLM 5.2
Coding
GLM 5.2
Intelligence
GLM 5.2
Context window
Tied

Key takeaways

who wins on what, from the published numbers

GLM 5.2 wins

  • Cheaper input ($0.61 vs $1.25 /1M)
  • Cheaper output ($1.98 vs $2.50 /1M)
  • More serving providers (10 vs 3)

Grok 4.3 wins

  • Supports vision
  • Has web search
Cheaper overall
GLM 5.2
$0.61 + $1.98 /1M
Larger context
Tied
More providers
GLM 5.2
10 providers

Pricing & specs

cheapest serving route · per 1M tokens
GLM 5.2Grok 4.3
Input $/1M$0.61 best$1.25
Output $/1M$1.98 best$2.50
Context window1M 1M
Max output1M 1M
Serving providers10 best3
Released2026-06-13 2026-04-18

Benchmarks

Artificial Analysis indices, side by side
GLM 5.2Grok 4.3
Intelligence52.6 best38.0
Coding68.8 best42.3
GPQA Diamond89% 90% best
Output speed70 t/s 123 t/s best
Latency (TTFT)1.56s best21.45s

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
GLM 5.2
via Scx AI
$5.03
Grok 4.3
via Azure
$8.75

Capabilities

feature support, side by side
FeatureGLM 5.2Grok 4.3
Vision—✓
Tool use✓✓
Reasoning✓✓
Audio——
Prompt caching✓✓
Structured output✓✓
Web search—✓

Related comparisons

Frequently asked questions

Which is cheaper, GLM 5.2 or Grok 4.3?
GLM 5.2 is cheaper for input ($0.61 vs $1.25 per 1M tokens). GLM 5.2 is cheaper for output ($1.98 vs $2.50 per 1M tokens).
What is the context window difference between GLM 5.2 and Grok 4.3?
Both GLM 5.2 and Grok 4.3 have about a 1M-token context window.
How do GLM 5.2 and Grok 4.3 compare on benchmarks?
On the tracked Artificial Analysis indices, GLM 5.2 leads on coding, and GLM 5.2 leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily

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