DeepSeek V3.2 vs gpt-oss-120b
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
DeepSeek V3.2
68.4DeepSeek · Sep 2025
The sparse-attention release that halved DeepSeek's already-lowest-in-class prices while keeping GPT-class quality.
gpt-oss-120b
OpenAI · Aug 2025
OpenAI's open-weights MoE reasoning model under Apache 2.0 — near o4-mini quality, runnable on a single 80GB GPU.
The verdict
gpt-oss-120b wins 2 of the 3 benchmarks these models share, against 1 for DeepSeek V3.2. gpt-oss-120b is about 1.6x cheaper per blended million tokens (3:1 input:output mix). gpt-oss-120b also takes 131K of context versus 128K for DeepSeek V3.2.
Benchmark head-to-head 1–2
Specs & pricing
| DeepSeek V3.2 | gpt-oss-120b | |
|---|---|---|
| modhub Index | 68.4 | — |
| Input price / 1M | $0.28 | $0.1 |
| Output price / 1M | $0.42 | $0.5 |
| Context window | 128K | 131K |
| Max output | 64K | 131K |
| Open weights | yes (MIT) | yes (Apache 2.0) |
| Reasoning model | yes | yes |
| Multimodal input | text | text |
| Knowledge cutoff | Jul 2025 | Jun 2024 |
| Released | Sep 2025 | Aug 2025 |
| Example monthly cost* | $3.43 | $1.75 |
* 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 V3.2 or gpt-oss-120b?
- gpt-oss-120b wins 2 of the 3 benchmarks these models share, against 1 for DeepSeek V3.2. gpt-oss-120b is about 1.6x cheaper per blended million tokens (3:1 input:output mix). gpt-oss-120b also takes 131K of context versus 128K for DeepSeek V3.2.
- Which is cheaper, DeepSeek V3.2 or gpt-oss-120b?
- DeepSeek V3.2 costs $0.28/$0.42 per million input/output tokens, while gpt-oss-120b costs $0.1/$0.5. For a typical workload of 10M input and 1.5M output tokens per month, that's $3.43 versus $1.75.
- Which model is better for coding, DeepSeek V3.2 or gpt-oss-120b?
- We don't yet track SWE-bench Verified results for both models; check their individual pages for coding-related scores.