# Deepseek V3.1 NVFP4 vs OpenAI GPT-OSS 20B

On provider list prices, OpenAI GPT-OSS 20B costs $0.05 per million input tokens against $0.60 for Deepseek V3.1 NVFP4: 12.0x apart. Output is $0.20 against $1.70 (8.5x). On Allocate both bill at list plus the 7% transaction fee.

## Specifications

| | Deepseek V3.1 NVFP4 | OpenAI GPT-OSS 20B |
| --- | --- | --- |
| Lab | DeepSeek | OpenAI |
| Access | Open weights | Open weights |
| Context window | 128K tokens | 128K tokens |
| List price, input | $0.60 / M tokens | $0.05 / M tokens |
| List price, output | $1.70 / M tokens | $0.20 / M tokens |
| Cached input | n/a | n/a |
| License | MIT | Apache 2.0 |
| Fine-tunable | Yes | Yes |

Specifications and provider list prices from the Allocate catalog, checked 2026-07-08. Billed price is list plus the 7% transaction fee.

## What the numbers say

Take 1,000,000 requests a month at 1,200 input and 350 output tokens each. That workload costs $130 a month on OpenAI GPT-OSS 20B and $1,315 on Deepseek V3.1 NVFP4 at list: a gap of $1,185, or 10.1x.

## Choose Deepseek V3.1 NVFP4 for

- Fine-tuning under a permissive license (MIT)

## Choose OpenAI GPT-OSS 20B for

- The lower list price ($0.05 in / $0.20 out per M tokens)
- Fine-tuning under a permissive license (Apache 2.0)

## Common questions

### Which is cheaper, Deepseek V3.1 NVFP4 or OpenAI GPT-OSS 20B?

OpenAI GPT-OSS 20B, on this workload shape. At list prices it is $0.05/$0.20 per million tokens in and out against $0.60/$1.70 for Deepseek V3.1 NVFP4. Billed on Allocate: $0.053/$0.21 against $0.64/$1.82, list plus 7%.

### Which has the bigger context window?

They match: both read 131,072 tokens (128K) per request.

### Can I fine-tune Deepseek V3.1 NVFP4 or OpenAI GPT-OSS 20B?

Both publish open weights (Deepseek V3.1 NVFP4: MIT; OpenAI GPT-OSS 20B: Apache 2.0), so both can be fine-tuned. On Allocate the trained weights stay inside your boundary and belong to you.

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[HTML page](https://allocate.network/compare/deepseek-deepseek-v3-1-vs-openai-gpt-oss-20b) · [Deepseek V3.1 NVFP4](https://allocate.network/models/deepseek-deepseek-v3-1.md) · [OpenAI GPT-OSS 20B](https://allocate.network/models/openai-gpt-oss-20b.md) · [Machine-readable catalog](https://allocate.network/catalog.json)