Open GPT reasoning model for self-hosted agents and controllable deployments
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...
Context
131K
131,072 tokens
Max output
33K
32,768 tokens
Input
Free
per 1M tokens
Output
Free
per 1M tokens
Providers
41
53 listings
Intelligence
10
Intelligence Index
Pricing
USD per 1M tokens · listed by QVAC
| Token type | Standard |
|---|---|
| Input | Free |
| Output | Free |
Lowest input price across providers: Free.
Capabilities
ReasoningYes
Effort: low, medium, high
Tool callYes
Structured outputYes
TemperatureYes
AttachmentsNo
Interleaved reasoningYes
Field: reasoning_content
Open weightsYes
ModeratedNo
Input
Text
Output
Text
Benchmarks
Published scores and Design Arena Elo
- Intelligence10#155 of 208
- CodingNot scored—
- AgenticNot scored—
- Arena893#123 of 128
Rankings
Position on each OneAtlas leaderboard
Providers · 41
53 listings
QVAC
NanoGPT
LLM Gateway
Vercel AI Gateway
Kilo Gateway
Eden AI
DevPass (LLM Gateway)
Merge Gateway
Amazon Bedrock
AI/ML APICortecs
Helicone
Qiniu
Hugging Face
Tempr Gateway
DigitalOcean
Deep Infra
Impossibl
Prime Inference
Kenari
Vertex
Neon
SiliconFlow
Opper
Nvidia
Thinking Machines
FastRouter
LowRouter
Databricks
Cloudflare Workers AI
FrogBot
CoreWeave
Ollama Cloud
IO.NET
Regolo AI
Groq
OVHcloud AI Endpoints
Clarifai
OCI Generative AI
STACKIT
LMStudio| Provider | Model ID | Context | Input limit | Output | Input $ | Output $ | Reasoning $ | Cache read | Cache write | Audio in | Audio out | Reasoning | Tools | Structured | Temp. | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AI/ML API | openai/gpt-oss-20b | 131K | — | 118K | $0.08 | $0.32 | — | $0.04 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Amazon Bedrock | openai.gpt-oss-20b | 131K | — | 131K | $0.07 | $0.30 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Amazon Bedrock | us-gov.openai.gpt-oss-20b-1:0 | 128K | — | 16K | $0.08 | $0.36 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Amazon Bedrock | openai.gpt-oss-20b-1:0 | 131K | — | 128K | $0.07 | $0.30 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Clarifai | openai/chat-completion/models/gpt-oss-20b | 131K | — | 16K | $0.04 | $0.18 | — | — | — | — | — | Yes | Yes | Unknown | Yes | Aug 5, 2025 |
| Cloudflare Workers AI | @cf/openai/gpt-oss-20b | 128K | — | 16K | $0.20 | $0.30 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| CoreWeave | openai/gpt-oss-20b | 131K | — | 131K | $0.03 | $0.13 | — | $0.03 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Cortecs | gpt-oss-20b | 131K | — | 131K | $0.04 | $0.17 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Databricks | databricks-gpt-oss-20b | 131K | — | 25K | $0.07 | $0.30 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Deep Infra | openai/gpt-oss-20b | 131K | — | 16K | $0.03 | $0.14 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| DevPass (LLM Gateway) | gpt-oss-20b | 131K | — | 33K | $0.04 | $0.19 | — | $0.01 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| DigitalOcean | openai-gpt-oss-20b | 128K | — | 4K | $0.05 | $0.45 | — | $0.01 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Eden AI | cloudflare/@cf/openai/gpt-oss-20b | 128K | — | 33K | $0.20 | $0.30 | — | — | — | — | — | Yes | Yes | No | Yes | Aug 5, 2025 |
| Eden AI | greenference/gpt-oss-20b | 131K | — | 33K | $0.009 | $0.04 | — | $0.0045 | — | — | — | Yes | No | Yes | Yes | Aug 5, 2025 |
| Eden AI | groq/openai/gpt-oss-20b | 131K | — | 33K | $0.07 | $0.30 | — | $0.04 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Eden AI | ovhcloud/gpt-oss-20b | 131K | — | 33K | $0.05 | $0.18 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Eden AI | arkanecloud/openai/gpt-oss-20b | 131K | — | 33K | $0.07 | $0.25 | — | $0.05 | — | — | — | Yes | Yes | No | Yes | Aug 5, 2025 |
| Eden AI | flexai/gpt-oss-20b | 131K | — | 33K | $0.02 | $0.10 | — | $0.003 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Eden AI | deepinfra/openai/gpt-oss-20b | 131K | — | 33K | $0.03 | $0.14 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Eden AI | databricks/databricks-gpt-oss-20b | 131K | — | 33K | $0.07 | $0.30 | — | $0.007 | $0.07 | — | — | Yes | Yes | No | Yes | Aug 5, 2025 |
| Eden AI | databricks/databricks-gpt-oss-20b@eu | 131K | — | 33K | $0.07 | $0.30 | — | $0.007 | $0.07 | — | — | Yes | Yes | No | Yes | Aug 5, 2025 |
| FastRouter | openai/gpt-oss-20b | 131K | — | 33K | $0.07 | $0.25 | — | $0.007 | — | — | — | Yes | Yes | Unknown | Yes | Aug 5, 2025 |
| FrogBot | gpt-oss-20b | 131K | — | 33K | $0.07 | $0.20 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Groq | openai/gpt-oss-20b | 131K | — | 66K | $0.07 | $0.30 | — | $0.04 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Helicone | gpt-oss-20b | 131K | — | 131K | $0.05 | $0.20 | — | — | — | — | — | Yes | Yes | Unknown | Yes | Aug 5, 2025 |
| Hugging Face | openai/gpt-oss-20b | 131K | — | 33K | $0.10 | $0.50 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Impossibl | groq/gpt-oss-20b | 131K | — | 33K | $0.07 | $0.30 | — | $0.04 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Impossibl | fireworks/gpt-oss-20b | 131K | — | 33K | $0.07 | $0.30 | — | $0.04 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| IO.NET | openai/gpt-oss-20b | 64K | — | 4K | $0.06 | $0.19 | — | $0.03 | — | — | — | Yes | Yes | Unknown | Yes | Aug 5, 2025 |
| Kenari | gpt-oss-20b | 131K | — | 33K | $0.04 | $0.15 | — | $0.0037 | — | — | — | Yes | Yes | Unknown | Yes | Aug 5, 2025 |
| Kilo Gateway | openai/gpt-oss-20b | 131K | — | 33K | $0.02 | $0.09 | — | $0.009 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| LLM Gateway | groq/gpt-oss-20b | 131K | — | 33K | $0.10 | $0.50 | — | — | — | — | — | Yes | Yes | No | Yes | Aug 5, 2025 |
| LLM Gateway | consensusprotocol/gpt-oss-20b | 128K | — | 33K | $0.04 | $0.19 | — | $0.01 | — | — | — | Yes | Yes | No | Yes | Aug 5, 2025 |
| LMStudio | openai/gpt-oss-20b | 131K | — | 33K | Free | Free | — | — | — | — | — | Yes | Yes | Unknown | Yes | Aug 5, 2025 |
| LowRouter | auto/openai/gpt-oss-20b | 131K | — | 33K | $0.11 | $0.47 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Merge Gateway | openai/gpt-oss-20b | 128K | — | 32K | $0.04 | $0.15 | — | $0.02 | — | — | — | Yes | No | No | Yes | Aug 5, 2025 |
| NanoGPT | openai/gpt-oss-20b | 131K | 131K | 16K | $0.02 | $0.10 | — | — | — | — | — | Yes | Yes | No | Yes | Aug 5, 2025 |
| Neon | gpt-oss-20b | 131K | — | 25K | $0.07 | $0.30 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Nvidia | openai/gpt-oss-20b | 131K | — | 33K | Free | Free | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| OCI Generative AI | openai.gpt-oss-20b | 128K | — | 16K | $0.07 | $0.30 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Ollama Cloud | gpt-oss:20b | 131K | — | 33K | $0.07 | $0.30 | — | $0.04 | — | — | — | Yes | Yes | No | Yes | Aug 5, 2025 |
| Opper | gpt-oss-20b | 128K | — | 8K | $0.12 | $0.49 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| OVHcloud AI Endpoints | gpt-oss-20b | 131K | — | 131K | $0.05 | $0.18 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Prime Inference | openai/gpt-oss-20b | 131K | — | 33K | $0.07 | $0.30 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Qiniu | gpt-oss-20b | 128K | — | 4K | — | — | — | — | — | — | — | Yes | Yes | No | Yes | Aug 5, 2025 |
| QVAC | gpt-oss-20b | 131K | — | 33K | Free | Free | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Regolo AI | gpt-oss-20b | 128K | — | 16K | $0.11 | $0.47 | — | — | — | — | — | Yes | Yes | Unknown | Yes | Aug 5, 2025 |
| SiliconFlow | openai/gpt-oss-20b | 131K | — | 8K | $0.04 | $0.18 | — | — | — | — | — | No | No | Yes | Yes | Aug 5, 2025 |
| STACKIT | openai/gpt-oss-20b | 131K | — | 8K | $0.18 | $0.29 | — | — | — | — | — | Yes | Yes | No | Yes | Aug 5, 2025 |
| Tempr Gateway | groq/openai/gpt-oss-20b | 131K | — | 66K | $0.07 | $0.30 | — | $0.04 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Thinking Machines | openai/gpt-oss-20b | 33K | — | 33K | $0.18 | $0.45 | — | $0.04 | — | — | — | Yes | Yes | Unknown | Yes | Aug 5, 2025 |
| Vercel AI Gateway | openai/gpt-oss-20b | 131K | 123K | 8K | $0.03 | $0.14 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |
| Vertex | openai/gpt-oss-20b-maas | 131K | — | 33K | $0.07 | $0.25 | — | $0.007 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2025 |