GLM-5.2 vs Grok 4.3 — Price, Context, and Capability Compared
Verdict
GLM-5.2 costs 1.4× more per blended million tokens than Grok 4.3. GLM-5.2 has the larger context window (1,000,000 tokens). Default to Grok 4.3 unless you specifically need GLM-5.2's edge.
Spec comparison
| GLM-5.2 | Grok 4.3 | |
|---|---|---|
| Price (input) | $1.40/M | $1.25/M ✓ |
| Price (output) | $4.40/M | $2.50/M ✓ |
| Blended price | $2.15/M | $1.56/M ✓ |
| Context window | 1,000,000 tokens | 1,000,000 tokens |
| Max output | 64,000 tokens | 64,000 tokens |
| Modalities | text | text, vision |
| Reasoning mode | Yes | Yes |
| Released | 2026-05 | 2026-06 |
| Speed | Not measured | 98 t/s |
Cost at scale (3:1 blended)
| Tokens / month | GLM-5.2 | Grok 4.3 | Delta |
|---|---|---|---|
| 1,000,000 | $2.15 | $1.56 | $0.59 (1.4×) |
| 10,000,000 | $21.50 | $15.63 | $5.88 (1.4×) |
| 100,000,000 | $215.00 | $156.25 | $58.75 (1.4×) |
Choose GLM-5.2 if…
- ✓Open-weights coding-first flagship
- ✓1M-token context window
- ✓Beats larger frontier models on long-horizon coding
- ✓Long-horizon coding on open weights at a fraction of frontier pricing.
Choose Grok 4.3 if…
- ✓xAI’s general-purpose flagship
- ✓Extremely fast for its size
- ✓1M-token context
- ✓General-purpose work where speed and a huge context window both matter.
Run this exact matchup right now
Send the same prompt to GLM-5.2 and Grok 4.3 side by side and see the outputs yourself.
Try GLM-5.2 vs Grok 4.3 FreeFAQ
Is GLM-5.2 cheaper than Grok 4.3?
Grok 4.3 is cheaper, at $1.56 per million blended tokens vs $2.15 for GLM-5.2.
Which has the bigger context window, GLM-5.2 or Grok 4.3?
Both models support 1,000,000 tokens of context.
Can GLM-5.2 replace Grok 4.3 for coding?
Both are viable for coding. Open-weights coding-first flagship (GLM-5.2) vs xAI’s general-purpose flagship (Grok 4.3) — pick based on which strength matters more for your workload.
Related
GLM-5.2 pricingGrok 4.3 pricingvs Claude Opus 4.8vs Gemini 3.1 Provs GLM-5.1vs GPT-5.6 TerraPremium model tests
Pricing verified 2026-05-19. Specs verified 2026-08-08.
