Calculate the cost of using gpt-oss-20b from OpenRouter for your AI applications
Pricing data last updated:
Mode: Chat
Max: 131,072 tokens
Max: 32,768 tokens
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gpt-oss-20b is a chat model from OpenRouter, one of 351 chat models they offer. It is priced at $0.03 per 1M input tokens and $0.14 per 1M output tokens, ranking 33 out of 2292 chat models by cost and cheaper than 99% of models in this category. gpt-oss-20b supports function calling, reasoning, structured output. It accepts up to 131K input tokens.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
Use the maximum token limits shown above to understand the model's capacity. This model can handle up to 131,072 input tokens. The maximum output length is 32,768 tokens.
At $0.03 per 1M input tokens and $0.14 per 1M output tokens, gpt-oss-20b ranks 33 out of 2292 chat models by input cost. It is more affordable compared to the median of $0.55 for chat models, and is cheaper than 99% of models in this category.
gpt-oss-20b is one of 351 OpenRouter chat models, with support for function calling, reasoning, structured output.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs gpt-oss-20b |
|---|---|---|---|---|
| amazon.nova-micro-v1:0 | AWS Bedrock | $0.04 | $0.14 | +21% |
| nova-micro-v1 | Amazon Nova | $0.04 | $0.14 | +21% |
| us.amazon.nova-micro-v1:0 | AWS Bedrock | $0.04 | $0.14 | +21% |
Similar chat models from other providers
Yes. gpt-oss-20b costs $0.03 per 1M input tokens compared to amazon.nova-micro-v1:0's $0.04 per 1M input tokens, making it 21% more affordable. Both are chat models and share support for function calling, prompt caching, structured output.
gpt-oss-20b input pricing is $0.03 per 1M tokens, which is 95% below the median of $0.55 for chat models. It ranks 33 out of 2292 chat models by input cost, making it cheaper than 99% of models in this category. For output, it costs $0.14 per 1M tokens compared to the median of $1.50.
Among OpenRouter's 351 chat models, gpt-oss-20b ranks 15 by input cost. It is the most affordable OpenRouter model with reasoning support.
The most comparable chat models to gpt-oss-20b are: amazon.nova-micro-v1:0 from AWS Bedrock ($0.04/1M input tokens); nova-micro-v1 from Amazon Nova ($0.04/1M input tokens); us.amazon.nova-micro-v1:0 from AWS Bedrock ($0.04/1M input tokens); nova-micro from Vercel Ai Gateway ($0.04/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.
Yes. At $0.03 per 1M input tokens, gpt-oss-20b is the most affordable chat model that supports reasoning. This makes it a strong option for reasoning-dependent workloads where cost efficiency matters.
You can monitor OpenRouter service health in real time on the Bifrost OpenRouter Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds.
gpt-oss-20b is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $0.03 and generating 1M output tokens costs $0.14.
