Side-by-side comparison
DeepSeek V4 Flash (free) vs gpt-oss-120b (free)
DeepSeek
DeepSeek V4 Flash (free)
🔧 Tools
Input / 1M
$0.0000
Output / 1M
$0.0000
OpenAI
gpt-oss-120b (free)
🔧 Tools
Input / 1M
$0.0000
Output / 1M
$0.0000
| DeepSeek V4 Flash (free) | gpt-oss-120b (free) | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Context window Maximum tokens (input + output) the model can process in a single request. Glossary → | 1,048,576 | 131,072 |
| Capabilities Optional capabilities the model advertises: vision (images), tools (function calling), json_mode (structured output). | tools | tools |
| Input $ / 1M tokens Cost for tokens you send (prompt + context). Cheaper side highlighted. Glossary → | 0.0000 | 0.0000 |
| Output $ / 1M tokens Cost for tokens the model generates. Output is normally 3–5× pricier than input. Glossary → | 0.0000 | 0.0000 |
Frequently asked questions
Which is cheaper, DeepSeek V4 Flash (free) or gpt-oss-120b (free)?
DeepSeek V4 Flash (free) is cheaper than gpt-oss-120b (free) on a 50/50 input/output blend by about $0 per 1M tokens. Exact savings depend on your input-vs-output ratio — use the cost calculator on this page for a workload-specific estimate.
Which has a larger context window, DeepSeek V4 Flash (free) or gpt-oss-120b (free)?
DeepSeek V4 Flash (free) has the larger context window at 1M tokens versus 131k tokens for gpt-oss-120b (free). That means DeepSeek V4 Flash (free) can ingest about 8.0x as much text per request.
What is the difference between DeepSeek V4 Flash (free) and gpt-oss-120b (free)?
DeepSeek V4 Flash (free) comes from DeepSeek; gpt-oss-120b (free) comes from OpenAI. They differ in pricing, context window, and supported capabilities — see the side-by-side table on this page for the exact figures, refreshed nightly.