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OpenAI: gpt-oss-20b (free)

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...

β€”
Rank
128K
Context Window
$0.00
Min Input /1M
$0.00
Min Output /1M

Model Info

Model ID openai-gpt-oss-20b-free
Modality text->text
Context Window 128K tokens
Platforms OR

Usage & Rankings

Rank Unranked
Weekly Usage β€”

Cross-Platform Pricing

Platform Input /1M Output /1M Context Model ID
OR OpenRouter $0.000 $0.000 128K openai/gpt-oss-20b:free
Input
$0.000
/ 1M tokens
Output
$0.000
/ 1M tokens
Round Trip
$0.00
/ 1M tokens
Value Rating
🟒
🟒 Economy β€” great for high volume

About OpenAI: gpt-oss-20b (free)

OpenAI: gpt-oss-20b (free) is a large language model with a 128K token context window.

The best available input price is $0.000/1M tokens and output price is $0.000/1M tokens, with a round-trip cost of $0.00/1M tokens.