GLM-5.3 vs Grok 3 Mini
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: GLM-5.3 or Grok 3 Mini?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | GLM-5.3 | Grok 3 Mini | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $0.35 | $0.30 | Grok 3 Mini is 1.2x cheaper |
| Output Cost / 1M Tokens | $1.00 | $1.20 | GLM-5.3 (16.7% lower) |
| Prompt Cache Read / 1M | $0.090 | $0.080 | Grok 3 Mini is 1.1x cheaper |
| Prompt Cache Write / 1M | $0.35 | $0.30 | Grok 3 Mini is 1.2x cheaper |
| Avg TTFT Response Latency | 160ms | 150ms | Grok 3 Mini (+10ms faster) |
| SWE-bench Verified (Coding) | 56% | 54% | GLM-5.3 (+2.0% lead) |
| Inference Value Score (IVR) | 70.5 / 100 | 69.6 / 100 | GLM-5.3 (+0.9 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.
Estimated Monthly Spend
$0.35/1M in · $1.00/1M out
Prompt Cache: $0.090/1M read · $0.35/1M write
$0.30/1M in · $1.20/1M out
Prompt Cache: $0.080/1M read · $0.30/1M write
When to Choose GLM-5.3
Choose GLM-5.3 when you need Bilingual flagship foundation model optimized for cross-lingual reasoning, long-form structured analysis, and enterprise tool execution. and have an infrastructure budget aligned with $0.35/1M tokens.
When to Choose Grok 3 Mini
Choose Grok 3 Mini when you need High-speed reasoning model providing rapid answers and code generation with chain-of-thought capabilities at edge pricing. and prioritize xAI ecosystem integration at $0.30/1M tokens.
Related Questions & Decision Factors
Which is cheaper: GLM-5.3 or Grok 3 Mini?
Grok 3 Mini is cheaper at $0.30/1M input tokens compared to $0.35/1M for GLM-5.3.
Which model has lower latency: GLM-5.3 or Grok 3 Mini?
Grok 3 Mini delivers faster response times with an average TTFT of 150ms vs 160ms for GLM-5.3.
When should you choose GLM-5.3?
Choose GLM-5.3 when you need Bilingual flagship foundation model optimized for cross-lingual reasoning, long-form structured analysis, and enterprise tool execution. and have an infrastructure budget aligned with $0.35/1M tokens.
When should you choose Grok 3 Mini?
Choose Grok 3 Mini when you need High-speed reasoning model providing rapid answers and code generation with chain-of-thought capabilities at edge pricing. and prioritize xAI ecosystem integration at $0.30/1M tokens.