gpt-oss-20b pricing
gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for lower-latency inference and deployability on consumer or single-GPU hardware. The model is trained in OpenAI’s Harmony response format and supports reasoning level configuration, fine-tuning, and agentic capabilities including function calling, tool use, and structured outputs. This page tracks 11 listings in total. Highlighted lows are $0.020 per million input and $0.100 per million output (see table for which seller matches each).
Pricing across providers
All figures are list prices per million tokens unless a column says otherwise. 11 offers are listed for gpt-oss-20b. Best input in this view: Openrouter.
| Provider | Input / 1M | Output / 1M | Cached input | Batch |
|---|---|---|---|---|
O Openrouter | $0.029 | $0.140 | — | — |
O Openrouter | $0.020 | $0.100 | — | — |
O Openrouter | $0.020 | $0.100 | — | — |
O Ovhcloud | $0.040 | $0.150 | — | — |
W Wandb | $5000.00 | $20000.00 | — | — |
N Novita | $0.040 | $0.150 | — | — |
TA Together AI | $0.050 | $0.200 | — | — |
R Replicate | $0.090 | $0.360 | — | — |
G Groq | $0.075 | $0.300 | $0.037 | — |
FA Fireworks AI | $0.050 | $0.200 | — | — |
D DeepInfra | $0.040 | $0.150 | — | — |
Input vs output · per provider
Cost calculator
Use this block to stress test gpt-oss-20b cost without a spreadsheet. All estimates come from public list rates in this page.
Provider
0.002900¢ / req
0.007000¢ / req
Model specifications
These fields describe gpt-oss-20b as we store it (source: OpenAI). They sit next to price so buyers can check limits and tools in one place.
- Context window
- 131,072 tokens
- Max output
- 131,072 tokens
- Vision (images)
- No
- Tool / function calling
- Yes
- Streaming
- No
- Released
- Aug 2025
- Primary provider
- OpenAI
- Model family
- N/A
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Frequently asked questions
Answers pull from the same numbers you see on this page. The short model note from our index: gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for lower-latency...
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