💰 Unit Cost Winner GLM-5.3 $0.35/1M in · $1.00/1M out
⚡ Latency & Speed Winner GLM-5.3 160ms TTFT · 120 tok/s
💻 Coding (SWE) Winner Grok 4 73.2% SWE-bench · 95% HumanEval
🧠 STEM Reasoning Winner Grok 4 86.2% GPQA · 97.6% MATH-500

Which model is better: GLM-5.3 or Grok 4?

GLM-5.3 is 86.0% cheaper for input tokens ($0.35 vs. $2.50 per 1M tokens) and $1.00 vs. $12.50 for output tokens (7.1x cost advantage). In terms of operational performance, GLM-5.3 delivers lower response latency at 160ms TTFT (320ms faster than Grok 4) with 120 vs. 95 tok/s throughput. Grok 4 leads coding evaluations at 73.2% SWE-bench Verified vs. 56.0% for GLM-5.3 and 86.2% vs. 67.0% on GPQA Diamond.
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta (12 Dimensions)

Daily synchronized metrics across token pricing, prompt cache economics, latency, throughput, and 5 capability benchmarks.

Metric / Dimension GLM-5.3 Grok 4 Net Delta / Advantage
Input Cost / 1M Tokens $0.35 $2.50 GLM-5.3 is 7.1x cheaper
Output Cost / 1M Tokens $1.00 $12.50 GLM-5.3 (92.0% lower)
Prompt Cache Read / 1M $0.090 $0.500 GLM-5.3 is 5.6x cheaper
Prompt Cache Write / 1M $0.35 $2.50 GLM-5.3 is 7.1x cheaper
Context Window (Max Output) 131k (16k out) 262k (66k out) Grok 4 (2.0x larger context)
Avg TTFT Response Latency 160ms 480ms GLM-5.3 (320ms faster)
Generation Speed (Throughput) 120 tok/s 95 tok/s GLM-5.3 (+25 tok/s faster)
SWE-bench Verified (Coding) 56% 73.2% Grok 4 (+17.2% lead)
GPQA Diamond (PhD STEM) 67% 86.2% Grok 4 (+19.2% lead)
MMLU-Pro (Multi-Discipline) 80.5% 89.9% Grok 4 (+9.4% lead)
MATH-500 (Quantitative Logic) 88% 97.6% Grok 4 (+9.6% lead)
Inference Value Score (IVR) 69.9 / 100 57.6 / 100 GLM-5.3 (+12.3 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.

25.0M Tokens
500K 50M 250M 500M+
5.0M Tokens
100K 25M 75M 150M+
50% Cached
0% (Uncached) 25% 50% (Typical Agent) 95% Max

Estimated Monthly Spend

GLM-5.3 $10.50

$0.35/1M in · $1.00/1M out

Prompt Cache: $0.090/1M read · $0.35/1M write

Grok 4 $100.00

$2.50/1M in · $12.50/1M out

Prompt Cache: $0.500/1M read · $2.50/1M write

Projected Monthly Cost Reduction
$89.50 / mo
(89.5% lower cost with GLM-5.3)
Open Full Matchup Analysis →
A

When to Choose GLM-5.3

Choose GLM-5.3 (Zhipu AI) for bilingual flagship foundation model optimized for cross-lingual reasoning, long-form structured analysis, and enterprise tool execution — offering a 131k context window, 160ms TTFT, and $0.35/1M input pricing ($0.090/1M cached reads).

B

When to Choose Grok 4

Choose Grok 4 (xAI) for real-time financial/market intelligence, PhD-level STEM problem solving, and autonomous code generation — offering a 262k context window, 480ms TTFT, and $2.50/1M input pricing ($0.500/1M cached reads).

Related Questions & Decision Factors

Which is cheaper: GLM-5.3 or Grok 4?

GLM-5.3 is cheaper at $0.35/1M input tokens ($1.00/1M output) compared to $2.50/1M input ($12.50/1M output) for Grok 4.

Which model has lower TTFT latency and higher tok/s throughput: GLM-5.3 or Grok 4?

GLM-5.3 delivers faster first-token latency at 160ms TTFT (120 tok/s throughput) compared to 480ms TTFT (95 tok/s) for Grok 4.

How do GLM-5.3 and Grok 4 compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, GLM-5.3 scores 56% versus 73.2% for Grok 4. On GPQA Diamond graduate-level STEM reasoning, GLM-5.3 scores 67% versus 86.2% for Grok 4 (and 88% vs 97.6% on MATH-500).

When should you choose GLM-5.3?

Choose GLM-5.3 (Zhipu AI) for bilingual flagship foundation model optimized for cross-lingual reasoning, long-form structured analysis, and enterprise tool execution — offering a 131k context window, 160ms TTFT, and $0.35/1M input pricing ($0.090/1M cached reads).

When should you choose Grok 4?

Choose Grok 4 (xAI) for real-time financial/market intelligence, PhD-level STEM problem solving, and autonomous code generation — offering a 262k context window, 480ms TTFT, and $2.50/1M input pricing ($0.500/1M cached reads).

Explore High-Priority Related Model Matchups