# Trinity Mini vs OpenAI GPT-OSS 20B

On provider list prices, Trinity Mini costs $0.045 per million input tokens against $0.05 for OpenAI GPT-OSS 20B: 1.1x apart. Output is $0.15 against $0.20 (1.3x).

## Specifications

| | Trinity Mini | OpenAI GPT-OSS 20B |
| --- | --- | --- |
| Lab | Arcee AI | OpenAI |
| Access | Open weights | Open weights |
| Context window | 128K tokens | 128K tokens |
| List price, input | $0.045 / M tokens | $0.05 / M tokens |
| List price, output | $0.15 / M tokens | $0.20 / M tokens |
| Cached input | n/a | n/a |
| License | Not listed | Apache 2.0 |
| Fine-tunable | Yes | Yes |

Specifications and provider list prices from the Allocate catalog, checked 2026-09-12.

## What the numbers say

Take 1,000,000 requests a month at 1,200 input and 350 output tokens each. That workload costs $106.50 a month on Trinity Mini and $130 on OpenAI GPT-OSS 20B at list: a gap of $23.50, or 1.2x.

OpenAI GPT-OSS 20B reads 128K tokens per request against 128K for Trinity Mini, 1.0x the window. That decides which one can take whole documents without splitting them.

## Choose Trinity Mini for

- The lower list price ($0.045 in / $0.15 out per M tokens)

## Choose OpenAI GPT-OSS 20B for

- The longer context window (128K vs 128K tokens)
- Fine-tuning under a permissive license (Apache 2.0)

## Common questions

### Which is cheaper, Trinity Mini or OpenAI GPT-OSS 20B?

Trinity Mini, on this workload shape. At list prices it is $0.045/$0.15 per million tokens in and out against $0.05/$0.20 for OpenAI GPT-OSS 20B. Billed on Allocate: $0.048/$0.16 against $0.053/$0.21.

### Which has the bigger context window?

OpenAI GPT-OSS 20B: 131,072 tokens (128K) against 128,000 (128K) for Trinity Mini.

### Can I fine-tune Trinity Mini or OpenAI GPT-OSS 20B?

Both publish open weights (Trinity Mini: Not listed; 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/arcee-trinity-mini-vs-openai-gpt-oss-20b) · [Trinity Mini](https://allocate.network/models/arcee-trinity-mini.md) · [OpenAI GPT-OSS 20B](https://allocate.network/models/openai-gpt-oss-20b.md) · [Machine-readable catalog](https://allocate.network/catalog.json)