---
title: "gpt-oss-20b - Model Details & Comparison"
description: "gpt-oss-20b from Cloudflare: 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/cloudflare/gpt-oss-20b"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/cloudflare/gpt-oss-20b.md"
---

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

> gpt-oss-20b from Cloudflare: 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 Cloudflare, one of 53 chat models they offer. It is priced at $0.20 per 1M input tokens and $0.30 per 1M output tokens, ranking 660 out of 2669 chat models by cost and cheaper than 70% of models in this category. gpt-oss-20b supports function calling, reasoning. It accepts up to 128K input tokens.

## Specifications

- **Cloudflare Provider.**
- **Chat Mode.**
- **128,000 Max Input Tokens.**
- **128,000 Max Output Tokens.**
- **128,000 Max Tokens.**
- **$0.20 / 1M tokens Input Price.**
- **$0.30 / 1M tokens Output Price.**

## Capabilities

gpt-oss-20b supports: Function Calling, Reasoning.

## gpt-oss-20b Pricing Overview

At $0.20 per 1M input tokens and $0.30 per 1M output tokens, gpt-oss-20b ranks 660 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 70% of models in this category.

gpt-oss-20b is one of 53 Cloudflare chat models, with support for function calling, reasoning.

## Models to Compare

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

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| gpt-5.4-nano | Azure | $0.20 | $1.25 |
| gpt-5.4-nano-2026-03-17 | Azure | $0.20 | $1.25 |
| gpt-5-mini | Azure | $0.25 | $2.00 |
| deepseek-v4-flash | Azure | $0.19 | $0.51 |
| grok-3-mini | Azure | $0.25 | $1.27 |

- [Compare gpt-5.4-nano](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.4-nano.md)
- [Compare gpt-5.4-nano-2026-03-17](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.4-nano-2026-03-17.md)
- [Compare gpt-5-mini](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5-mini.md)
- [Compare deepseek-v4-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/deepseek-v4-flash.md)
- [Compare grok-3-mini](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/grok-3-mini.md)

## Related Resources

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

## FAQ

### Is gpt-oss-20b cheaper than gpt-5.4-nano?

No. gpt-oss-20b costs $0.20 per 1M input tokens while gpt-5.4-nano costs $0.20 per 1M input tokens, making gpt-5.4-nano 0% more affordable for input. However, gpt-oss-20b may offer different capabilities or performance characteristics that justify the price difference.

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

gpt-oss-20b input pricing is $0.20 per 1M tokens, which is 60% below the median of $0.50 for chat models. It ranks 660 out of 2669 chat models by input cost, making it cheaper than 70% of models in this category. For output, it costs $0.30 per 1M tokens compared to the median of $1.44.

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

Among Cloudflare's 53 chat models, gpt-oss-20b ranks 20 by input cost.

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

The most comparable chat models to gpt-oss-20b are: gpt-5.4-nano from Azure ($0.20/1M input tokens); gpt-5.4-nano-2026-03-17 from Azure ($0.20/1M input tokens); gpt-5-mini from Azure ($0.25/1M input tokens); deepseek-v4-flash from Azure ($0.19/1M 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 $0.20 and generating 1M output tokens costs $0.30.

## Related Resources

- [Cloudflare models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/cloudflare.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/cloudflare/gpt-oss-20b](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/cloudflare/gpt-oss-20b) for AI/LLM consumption.*