Models / Compare /DeepSeek V4 Pro vs gpt-oss-120b
Head to head
DeepSeek V4 Pro vs gpt-oss-120b
Compared on live catalog data — pricing synced daily, benchmark scores with provenance.
The short version
- gpt-oss-120b is cheaper to run hosted: $0.17/M output vs $0.87/M for DeepSeek V4 Pro (5.1× difference at the cheapest tracked provider).
- DeepSeek V4 Pro takes 1M tokens of context vs 131K for gpt-oss-120b.
- DeepSeek V4 Pro scores 1502.1991 on Arena Coding vs 1390.1368 for gpt-oss-120b.
- DeepSeek V4 Pro scores 1446.1302 on Arena Creative Writing vs 1277.4859 for gpt-oss-120b.
| Spec | ||
|---|---|---|
| Vendor | DeepSeek | OpenAI |
| Parameters | 1.6T / 37B | 120B |
| 1M | 131K | |
| Weights | OPEN | OPEN |
| License | MIT License | Apache License 2.0 |
| Modality | text->text | text->text |
| Released | Apr 22, 2026 | Aug 4, 2025 |
| 1008 GBest | 75.9 GBest | |
| Cheapest hosted | $0.43 / $0.87 per 1M (OpenRouter) | $0.037 / $0.17 per 1M (OpenRouter) |
| Tracked providers | 23 | 23 |
DeepSeek V4 Pro — our take
DeepSeek V4 Pro is a large downloadable text model with a one-million-token request limit and a permissive MIT licence. It excels at coding and hard-prompt tasks on the independent leaderboards we track, though its creative-writing score lags behind its other skills.
full breakdown →gpt-oss-120b — our take
gpt-oss-120b is OpenAI's first downloadable model, released in 2025 with a permissive Apache licence and a 120.4-billion-parameter dense architecture. It offers broad measured coverage across chat, coding and creative tasks, though its scores vary sharply by category and it is text-only.
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