OpenAI
•
gpt-oss-20b
| Slug |
gpt-oss-20b
|
|---|---|
| Release Date | August 5, 2025 |
| Aliases | gpt-oss-20b |
| Name | OpenAI |
|---|
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. Context: 131072
| Provider | Input Price ($/1M) | Output Price ($/1M) | Free |
|---|---|---|---|
| LMStudio | $0.00 | $0.00 | |
| Chutes | $0.02 | $0.10 | |
| OpenRouter | $0.02 | $0.10 | |
| IO.NET | $0.03 | $0.14 | |
| SiliconFlow (China) | $0.04 | $0.18 | |
| SiliconFlow | $0.04 | $0.18 | |
| Nebius Token Factory | $0.05 | $0.20 | |
| Helicone | $0.05 | $0.20 | |
| FastRouter | $0.05 | $0.20 | |
| OVHcloud AI Endpoints | $0.05 | $0.18 | |
| Fireworks AI | $0.05 | $0.20 | |
| AIHubMix | $0.11 | $0.55 | |
| Cloudflare AI Gateway | $0.20 | $0.30 | |
| Poe | $450.00 | - | |
| Weights & Biases | $5,000.00 | $20,000.00 |