gpt-oss-120b-Ultra

proprietary

Ultra speed version of gpt-oss-120b

Context
131K
Input price
$0.2/1M tokens
Output price
$0.95/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
JSON Mode
Infrastructure
Streaming

Details

Provider DeepInfra
Creator OpenAI
Familygpt-oss
Licenseproprietary
Statusactive
Typechat
Input modalitiestext
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window131K tokens
Max input—
Max output—
Reasoning tokensYes
Knowledge cutoff—
Release date—
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

Chat CompletionsPOST
Generate chat responses with messageshttps://api.deepinfra.com/v1/openai/v1/chat/completions

Pricing

Input
$0.2
Output
$0.95
Cache write
—
Cache read
—
Batch in
—
Batch out
—

Family Comparison: gpt-oss

ModelContextMax outPricing
gpt-oss-20b131K131K$0.03$0.14
gpt-oss-120b131K131K$0.04$0.17
gpt-oss-120b-Turbo131K—$0.15$0.6
gpt-oss-120b-Ultra131K—$0.2$0.95

API

GET/v1/models/deepinfra/openai/gpt-oss-120b-Ultra

gpt-oss-120b-Ultra

Ultra speed version of gpt-oss-120b

Changes · 3 entries
openai/gpt-oss-120b-Ultracreateca7a400Nov 2, 2026, 03:02 AM
openai/gpt-oss-120b-Ultraupdate19c9fe3Aug 5, 2026, 03:04 PM
descriptionUltra fast version of gpt-oss-120b→Ultra speed version of gpt-oss-120b
openai/gpt-oss-120b-Ultracreatedbe2d73Jul 31, 2026, 06:07 AM