Model catalogue
OpenAI
gpt-oss-20b
openai/gpt-oss-20b
Specification
Published by the vendor; the platform bills at the target's declared price.
gpt-oss-20b
reasoning open weights toolsOpenAI openai/gpt-oss-20b
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...
- Input $/1M
- $0.03
- Output $/1M
- $0.13
- Context
- 131K
- Max output
- 118K
- Released
- Aug 5, 2025
- Modalities
- text
Intelligence index9
Coding index21
Agentic index1
Cached input reads $0.03 per 1M · weights on Hugging Face as openai/gpt-oss-20b
On this deployment
1 target runs this model; traffic is measured over the last 30 days.
OpenAI SDKpython
from openai import OpenAI
client = OpenAI(base_url="https://api.opensmartroute.ai/v1", api_key="osr_live_...")
resp = client.chat.completions.create(
model="gpt-oss", # the target on this deployment that runs gpt-oss-20b
messages=[{"role": "user", "content": "Summarise this in one sentence."}],
)
print(resp.model, resp.choices[0].message.content)Price among OpenAI models
Input list price per million tokens; gpt-oss-20b is the cheapest of 13 listed.
- 1$0.03gpt-oss-20b
- 2$0.10
- 3$0.10
- 4$0.20
- 5$0.20
- 6$1.00
- 7$1.00
- 8$2.00
- 9$2.00
- 10$5.00
- 11$5.00
- 12$10.0
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