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OpenAI

GPT OSS 120b

modelgpt-oss-120b
BudgetStable★ Low cost in tier12.24% below the OpenRouter list price (blended input+output)int4 precisionStreamingToolsBatchLong contextGlobal

Context

131K

Input / 1M tokens

$0.0300

Output / 1M tokens

$0.1500

Cached input / 1M tokens

— (bills at input price)

Cache write / 1M tokens

— (bills at input price)

Prices checked 2026-10-11 20:19 UTC

About this model

GPT OSS 120b

GPT OSS 120b is a model by OpenAI, available through the Anoman AI OpenAI-compatible API with a 131K-token context window. It costs $0.0300 per 1M input tokens and $0.1500 per 1M output tokens, and is available from the Plus Pass plan.

Key facts

Maker
OpenAI
Context window
131K tokens
Max output
118K tokens
Lane
Guarded: the provider has confirmed it does not train on your data
Modality
Text
Input price
$0.0300 per 1M tokens
Output price
$0.1500 per 1M tokens
Processing region(s)
global
Route
Via OpenRouter
Quantization
Served at int4
Cheapest plan
Available from the Plus Pass plan

More models by OpenAI

Ways to call

Ways to call GPT OSS 120b

Each model ID below is callable through the Anoman AI API. Price and processing region depend on the route.

Model IDRouteInput / output per 1M tokensRegion(s)LaneContext
gpt-oss-120bVia OpenRouter$0.0300 / $0.1500globalGuarded131K
gpt-oss-120b-fireworksVia Fireworks AI$0.1500 / $0.6000usGuarded131K
openai/gpt-oss-120bVia Groq's API$0.1500 / $0.6000usGuarded131K

Code example

Chat completion with GPT OSS 120b

from openai import OpenAI

client = OpenAI(
    base_url="https://api.anoman.io/v1",
    api_key="anm-sk-..."
)

response = client.chat.completions.create(
    model="gpt-oss-120b",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

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