Context
131K
Max output
n/a
Serving providers
1
Cheapest input
$0.00 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Pricing by serving provider
standard tier · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OpenRouterCheapest | $0.00 | $0.00 | 1 | |||||||||||||
| ||||||||||||||||
Price history
input + output $/1M since we started tracking Input Output
Price history is accruing. We record a point each day a price changes; the full backfill lands shortly.
Cost calculator
estimate your monthly spend on this model$0
estimated / month
Model IDs
copy the exact identifier for your platformopenai/gpt-oss-20b:free
Frequently asked questions
gpt-oss-20b (free) pricing, context and availabilityHow much does gpt-oss-20b (free) cost?
gpt-oss-20b (free) costs $0.00 per 1M input tokens and $0.00 per 1M output tokens at its cheapest provider via OpenRouter.
What is the context window of gpt-oss-20b (free)?
gpt-oss-20b (free) accepts up to 131K tokens of context.
Other OpenAI models
compare pricing across the OpenAI lineup Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily
Every weekday
AI moves fast. Here's your debrief.
News, analysis, tools, and more.
For people who build with AI