GLM 5.2 vs Grok 4 20 Non Reasoning
API pricing, context window and capabilities for GLM 5.2 and Grok 4 20 Non Reasoning, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersGLM 5.2 wins on price and on intelligence. Grok 4 20 Non Reasoning wins on context window. Benchmark data is unavailable for one or both models.
Price
GLM 5.2
Terminal-Bench
Not called
Intelligence
GLM 5.2
Context window
Grok 4 20 Non Reasoning
Key takeaways
who wins on what, from the published numbersGLM 5.2 wins
- Cheaper input ($0.05 vs $1.25 /1M)
- Cheaper output ($1.98 vs $2.50 /1M)
- More serving providers (20 vs 5)
Grok 4 20 Non Reasoning wins
- Larger context window (1M vs 2M)
- Higher max output (1M vs 2M)
- Has web search
Cheaper overall
GLM 5.2
$0.05 + $1.98 /1M
Larger context
Grok 4 20 Non Reasoning
2M
More providers
GLM 5.2
20 providers
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.
| GLM 5.2 | Grok 4 20 Non Reasoning | |
|---|---|---|
| Input $/1M | $0.05OpenRouter routed quote best | $1.25via xAI |
| Output $/1M | $1.98via Scx AI best | $2.50via xAI |
| Context window | 1M | 2M best |
| Max output | 1M | 2M best |
| Serving providers | 20 best | 5 |
| Date | Released Jun 13, 2026 | Released Mar 9, 2026 |
Benchmarks
Benchmark scores, side by side| GLM 5.2 | Grok 4 20 Non Reasoning | |
|---|---|---|
| Intelligence | 33.7 best | 14.2 |
| Terminal-Bench | 78% | Not available |
| GPQA Diamond | 89% best | 78% |
| Output speed | 83 t/s | 94 t/s best |
| Latency (TTFT) | 2.97s | 0.62s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
GLM 5.2
via OpenRouter
$7.25
Grok 4 20 Non Reasoning
via Azure
$8.75
Capabilities
feature support, side by side| Feature | GLM 5.2 | Grok 4 20 Non Reasoning |
|---|---|---|
| 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 20 Non Reasoning?
GLM 5.2 is cheaper for input ($0.05 vs $1.25 per 1M tokens) as an OpenRouter routed quote. GLM 5.2 is cheaper for output ($1.98 vs $2.50 per 1M tokens) from Scx AI.
What is the context window difference between GLM 5.2 and Grok 4 20 Non Reasoning?
GLM 5.2 has a 1M-token context window and Grok 4 20 Non Reasoning has 2M tokens, so Grok 4 20 Non Reasoning can take a larger prompt.
How do GLM 5.2 and Grok 4 20 Non Reasoning compare on benchmarks?
On the tracked benchmarks, GLM 5.2 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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