DeepSeek V4 vs GLM-4.6
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
DeepSeek V4
DeepSeek · Mar 2026
The open-weights shock of 2026: ~81% SWE-bench Verified, a 1M context and MIT license at $0.30/$0.50 per million tokens.
GLM-4.6
63.9Z.ai (Zhipu) · Sep 2025
The budget coding-agent favorite of late 2025 — near-Sonnet coding utility with MIT weights and a $3/month plan.
The verdict
DeepSeek V4 wins 1 of the 1 benchmarks these models share, against 0 for GLM-4.6. DeepSeek V4 is about 2.9x cheaper per blended million tokens (3:1 input:output mix). DeepSeek V4 also takes 1M of context versus 200K for GLM-4.6.
Benchmark head-to-head 1–0
Specs & pricing
| DeepSeek V4 | GLM-4.6 | |
|---|---|---|
| modhub Index | — | 63.9 |
| Input price / 1M | $0.3 | $0.6 |
| Output price / 1M | $0.5 | $2.2 |
| Context window | 1M | 200K |
| Max output | 64K | 128K |
| Open weights | yes (MIT) | yes (MIT) |
| Reasoning model | yes | yes |
| Multimodal input | text | text |
| Knowledge cutoff | Dec 2025 | Jul 2025 |
| Released | Mar 2026 | Sep 2025 |
| Example monthly cost* | $3.75 | $9.30 |
* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.
Frequently asked questions
- Which is better, DeepSeek V4 or GLM-4.6?
- DeepSeek V4 wins 1 of the 1 benchmarks these models share, against 0 for GLM-4.6. DeepSeek V4 is about 2.9x cheaper per blended million tokens (3:1 input:output mix). DeepSeek V4 also takes 1M of context versus 200K for GLM-4.6.
- Which is cheaper, DeepSeek V4 or GLM-4.6?
- DeepSeek V4 costs $0.3/$0.5 per million input/output tokens, while GLM-4.6 costs $0.6/$2.2. For a typical workload of 10M input and 1.5M output tokens per month, that's $3.75 versus $9.30.
- Which model is better for coding, DeepSeek V4 or GLM-4.6?
- On SWE-bench Verified — the standard agentic-coding benchmark — DeepSeek V4 scores ~81% versus 68% for GLM-4.6, making DeepSeek V4 the stronger pick for coding agents.