GPT-OSS 120B
OpenAI
gpt-oss-120bOpenAI's open source. 120B parameters.
Best for: General intelligence, writing
At a glance
Context window
128K
Input
$0.20/1M
$0.02/1M cached
Output
$0.81/1M
Speed
medium
Quality tier
strong
Per 1M tokens. All-in pricing, no hidden fees.
Capabilities
Tool calling
Connect to external tools and APIs
Prompt caching
Cache repeated prefixes for 90% discount
Streaming
Real-time token-by-token output
Structured outputs
JSON mode and function calling
Quick start
Get API Keycurl https://kymaapi.com/v1/chat/completions \
-H "Authorization: Bearer $KYMA_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-oss-120b",
"messages": [{"role": "user", "content": "Hello"}]
}'Details
CreatorOpenAI
Model IDgpt-oss-120b
Quality tierstrong
Cost tiercheap
Input modalityText
Output modalityText
Prompt cachingSupported
Try GPT-OSS 120B now
$0.50 free credits on signup. No credit card required.