---
title: "gpt-oss-20b - Model Details & Comparison"
description: "gpt-oss-20b from Darkbloom: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/darkbloom/gpt-oss-20b"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/darkbloom/gpt-oss-20b.md"
---

# gpt-oss-20b - Model Details & Comparison

> gpt-oss-20b from Darkbloom: capabilities, context limits, pricing, and side-by-side comparisons with alternative models.

## Important Links

- [View MCP Gateway](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources/mcp-gateway.md)
- [Features](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/#features)
- [Enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise)
- [Pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md)
- [Docs](https://docs.getbifrost.ai)
- [GitHub](https://github.com/maximhq/bifrost)
- [Book a Demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo)

## About gpt-oss-20b

gpt-oss-20b is a chat model from Darkbloom, one of 2 chat models they offer. It is priced at $0.01 per 1M input tokens and $0.07 per 1M output tokens, ranking 18 out of 2669 chat models by cost and cheaper than 99% of models in this category. gpt-oss-20b supports function calling. It accepts up to 131K input tokens.

## Specifications

- **Darkbloom Provider.**
- **Chat Mode.**
- **131,072 Max Input Tokens.**
- **32,768 Max Output Tokens.**
- **32,768 Max Tokens.**
- **$0.01 / 1M tokens Input Price.**
- **$0.07 / 1M tokens Output Price.**

## Capabilities

gpt-oss-20b supports: Function Calling, System Messages, Tool Choice.

## gpt-oss-20b Pricing Overview

At $0.01 per 1M input tokens and $0.07 per 1M output tokens, gpt-oss-20b ranks 18 out of 2669 chat models by input cost. It is more affordable compared to the median of $0.50 for chat models, and is cheaper than 99% of models in this category.

gpt-oss-20b is one of 2 Darkbloom chat models, with support for function calling.

## Models to Compare

Alternatives to gpt-oss-20b with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| granite-4.0-h-micro | Cloudflare | $0.02 | $0.11 |
| llama3.2-11b-vision-instruct | Lambda Ai | $0.01 | $0.02 |
| llama3.2-3b-instruct | Lambda Ai | $0.01 | $0.02 |
| granite-4.0-h-micro | Workers-ai | $0.02 | $0.11 |
| Llama-4-Scout-17B-16E-Instruct | Wandb | $0.02 | $0.07 |

- [Compare granite-4.0-h-micro](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/cloudflare/granite-4.0-h-micro.md)
- [Compare llama3.2-11b-vision-instruct](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/lambda_ai/llama3.2-11b-vision-instruct.md)
- [Compare llama3.2-3b-instruct](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/lambda_ai/llama3.2-3b-instruct.md)
- [Compare granite-4.0-h-micro](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/workers-ai/granite-4.0-h-micro.md)
- [Compare Llama-4-Scout-17B-16E-Instruct](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/wandb/llama-4-scout-17b-16e-instruct.md)

## Related Resources

- [Calculate gpt-oss-20b costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/darkbloom/model/gpt-oss-20b.md)
- [All Darkbloom pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/darkbloom.md)

## FAQ

### Is gpt-oss-20b cheaper than granite-4.0-h-micro?

Yes. gpt-oss-20b costs $0.01 per 1M input tokens compared to granite-4.0-h-micro's $0.02 per 1M input tokens, making it 17% more affordable. Both are chat models and share support for function calling.

### How does gpt-oss-20b pricing compare to the average chat model?

gpt-oss-20b input pricing is $0.01 per 1M tokens, which is 97% below the median of $0.50 for chat models. It ranks 18 out of 2669 chat models by input cost, making it cheaper than 99% of models in this category. For output, it costs $0.07 per 1M tokens compared to the median of $1.44.

### What makes gpt-oss-20b different from other Darkbloom models?

Among Darkbloom's 2 chat models, gpt-oss-20b ranks 1 by input cost.

### What are the best alternatives to gpt-oss-20b?

The most comparable chat models to gpt-oss-20b are: granite-4.0-h-micro from Cloudflare ($0.02/1M input tokens); llama3.2-11b-vision-instruct from Lambda Ai ($0.01/1M input tokens); llama3.2-3b-instruct from Lambda Ai ($0.01/1M input tokens); granite-4.0-h-micro from Workers-ai ($0.02/1M 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.

### How do I calculate gpt-oss-20b costs?

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 $0.01 and generating 1M output tokens costs $0.07.

## Related Resources

- [Darkbloom models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/darkbloom.md)
- [Model library](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library.md)
- [LLM cost calculator](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator.md)
- [Docs: Bifrost docs](https://docs.getbifrost.ai)
- [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost)
- [Pricing: Bifrost pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md)
- [Enterprise: Bifrost enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise)
- [Book a Demo: Bifrost demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo)
- [Resources: Bifrost resources](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources.md)

---

*This is a markdown version of [https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/darkbloom/gpt-oss-20b](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/darkbloom/gpt-oss-20b) for AI/LLM consumption.*