GLM-5.3 (Cloudflare) vs o4 Mini
Both have similar output pricing, while GLM-5.3 (Cloudflare) offers a larger context window. Choose GLM-5.3 (Cloudflare) or o4 Mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM-5.3 (Cloudflare) | o4 Mini |
|---|---|---|
| Provider | LLM Gateway | OpenAI |
| Input / 1M tokens | $1.40 | $1.10 |
| Output / 1M tokens | $4.40 | $4.40 |
| Context window | 1M | 200K |
| Parameters | — | — |
| Open weights | Yes | No |
| Released | Aug 2026 | Apr 2025 |
| SWE-bench Multimodal score | — | 33.9 |
| LMArena (Chatbot Arena) Elo score | — | 1353 |
| SWE-bench Verified score | — | 64.6 |
| LMArena Vision Elo score | — | 1194 |
| GPQA Diamond score | — | 79.6 |
| FrontierMath score | — | 24.8 |
| Epoch Capabilities Index score | — | 145 |
FAQ
Is GLM-5.3 (Cloudflare) or o4 Mini cheaper?
GLM-5.3 (Cloudflare) and o4 Mini have comparable output pricing.
Which has the larger context window, GLM-5.3 (Cloudflare) or o4 Mini?
GLM-5.3 (Cloudflare) has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.