Models / Compare /DeepSeek V4 Flash vs gpt-oss-120b
Head to head
DeepSeek V4 Flash 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 $0.28/M for DeepSeek V4 Flash (1.6× difference at the cheapest tracked provider).
- DeepSeek V4 Flash takes 1M tokens of context vs 131K for gpt-oss-120b.
- DeepSeek V4 Flash scores 1483.5115 on Arena Coding vs 1390.1368 for gpt-oss-120b.
- DeepSeek V4 Flash scores 1407.3807 on Arena Creative Writing vs 1277.4859 for gpt-oss-120b.
| Spec | ||
|---|---|---|
| Vendor | DeepSeek | OpenAI |
| Parameters | 291B / 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 |
| 183.4 GBest | 75.9 GBest | |
| Cheapest hosted | $0.14 / $0.28 per 1M (Novita AI) | $0.037 / $0.17 per 1M (OpenRouter) |
| Tracked providers | 32 | 23 |
DeepSeek V4 Flash — our take
DeepSeek V4 Flash is a large downloadable text model built for long documents, with a permissive MIT licence and a one-million-token request limit. Its measured web-development coding score is the strongest of its seven tracked skills, while creative writing is the weakest.
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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