In short
How they differ.
Worked out from the figures below. Prices and specs are the makers' own, read Oct 20, 2026.
- DeepSeek-V4-Pro-0813 is cheaper per output token: $3.96 against $4.40 per million tokens, so GLM-5.3 costs 1.1 times as much.
- Both can be downloaded and run on your own machine.
- On the 2 independent boards that rank both, GLM-5.3 places higher on 2 and DeepSeek-V4-Pro-0813 on 0.
Side by side
The specs.
| DeepSeek-V4-Pro-0813 | GLM-5.3 | |
|---|---|---|
| Made by | DeepSeek · China | Z.ai (Zhipu AI) · China |
| Released | Aug 13, 2026 | Not stated |
| Price per 1M tokens | $1.32 in / $3.96 out (peak-hours price) | $1.40 in / $4.40 out |
| Context window | 1M | 1M |
| Takes in | text | text |
| Download and run it yourself | Yes (MIT) | Yes (glm-5.3 (license tag shown on Hugging Face)) |
| Size | 1.6T parameters, 49B active | 753B (Hugging Face safetensors size field) parameters |
| Maker says | — | “GLM-5.3 is Z.ai's latest flagship model, delivering comprehensive advancements in complex software engineering” |
| Sources | Prices, Oct 20, 2026 | Prices, Oct 20, 2026 · Description |
Independent tests
Where they place.
Position on each board we follow (1 is best). Epoch AI's and Vectara's scores are shown; the other boards are linked for their own figures.
| Board | DeepSeek-V4-Pro-0813 | GLM-5.3 |
|---|---|---|
| Epoch Capabilities IndexEpoch AI, Oct 20, 2026 | Not listed | #30155.91 |
| Humanity's Last ExamScale AI | #16 | #15 |
| SWE-Bench ProScale AI, Sep 22, 2026 | Not listed | #9 |
| Vals IndexVals AI, Oct 19, 2026 | #17 | #9 |
| Terminal-Bench 4.0Vals AI, Oct 19, 2026 | Not listed | #12 |
| GPQA Diamond (run by Vals AI, archived)Vals AI, Sep 1, 2026 | #17 | Not listed |
| Vectara hallucination testVectara, Oct 16, 2026 | #448.6% | Not listed |
More comparisons