---
title: "openai.gpt-oss-20b-1:0 - Model Details & Comparison"
description: "openai.gpt-oss-20b-1:0 from Bedrock Mantle: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://www.getmaxim.ai/bifrost/model-library/compare/bedrock_mantle/openai.gpt-oss-20b-1-0"
markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/bedrock_mantle/openai.gpt-oss-20b-1-0.md"
---

# openai.gpt-oss-20b-1:0 - Model Details & Comparison

> openai.gpt-oss-20b-1:0 from Bedrock Mantle: capabilities, context limits, pricing, and side-by-side comparisons with alternative models.

## Important Links

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

## About openai.gpt-oss-20b-1:0

openai.gpt-oss-20b-1:0 is a chat model from Bedrock Mantle, one of 81 chat models they offer. It is priced at $0.08 per 1M input tokens and $0.36 per 1M output tokens, ranking 357 out of 3648 chat models by cost and cheaper than 90% of models in this category. openai.gpt-oss-20b-1:0 supports structured output. It accepts up to 128K input tokens.

## Specifications

- **Bedrock Mantle Provider.**
- **Chat Mode.**
- **128,000 Max Input Tokens.**
- **16,384 Max Output Tokens.**
- **16,384 Max Tokens.**
- **$0.08 / 1M tokens Input Price.**
- **$0.36 / 1M tokens Output Price.**

## Capabilities

openai.gpt-oss-20b-1:0 supports: Response Schema.

## openai.gpt-oss-20b-1:0 Pricing Overview

At $0.08 per 1M input tokens and $0.36 per 1M output tokens, openai.gpt-oss-20b-1:0 ranks 357 out of 3648 chat models by input cost. It is more affordable compared to the median of $0.57 for chat models, and is cheaper than 90% of models in this category.

openai.gpt-oss-20b-1:0 is one of 81 Bedrock Mantle chat models, with support for structured output.

## Models to Compare

Alternatives to openai.gpt-oss-20b-1:0 with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| gpt-4.1-nano | Azure | $0.10 | $0.40 |
| gpt-4.1-nano-2025-04-14 | Azure | $0.10 | $0.40 |
| amazon.nova-lite-v1:0 | AWS Bedrock | $0.07 | $0.29 |
| eu.amazon.nova-lite-v1:0 | AWS Bedrock | $0.08 | $0.31 |
| gpt-oss-20b | Fireworks AI | $0.07 | $0.30 |

- [Compare gpt-4.1-nano](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-4.1-nano.md)
- [Compare gpt-4.1-nano-2025-04-14](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-4.1-nano-2025-04-14.md)
- [Compare amazon.nova-lite-v1:0](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/amazon.nova-lite-v1-0.md)
- [Compare eu.amazon.nova-lite-v1:0](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/eu.amazon.nova-lite-v1-0.md)
- [Compare gpt-oss-20b](https://www.getmaxim.ai/bifrost/model-library/compare/fireworks_ai/gpt-oss-20b.md)

## Related Resources

- [Calculate openai.gpt-oss-20b-1:0 costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/bedrock_mantle/model/openai.gpt-oss-20b-1-0.md)
- [All Bedrock Mantle pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/bedrock_mantle.md)

## FAQ

### Is openai.gpt-oss-20b-1:0 cheaper than gpt-4.1-nano?

Yes. openai.gpt-oss-20b-1:0 costs $0.08 per 1M input tokens compared to gpt-4.1-nano's $0.10 per 1M input tokens, making it 19% more affordable. Both are chat models and share support for vision, function calling, prompt caching, structured output.

### How does openai.gpt-oss-20b-1:0 pricing compare to the average chat model?

openai.gpt-oss-20b-1:0 input pricing is $0.08 per 1M tokens, which is 85% below the median of $0.57 for chat models. It ranks 357 out of 3648 chat models by input cost, making it cheaper than 90% of models in this category. For output, it costs $0.36 per 1M tokens compared to the median of $1.65.

### What makes openai.gpt-oss-20b-1:0 different from other Bedrock Mantle models?

Among Bedrock Mantle's 81 chat models, openai.gpt-oss-20b-1:0 ranks 17 by input cost.

### What are the best alternatives to openai.gpt-oss-20b-1:0?

The most comparable chat models to openai.gpt-oss-20b-1:0 are: gpt-4.1-nano from Azure ($0.10/1M input tokens); gpt-4.1-nano-2025-04-14 from Azure ($0.10/1M input tokens); amazon.nova-lite-v1:0 from AWS Bedrock ($0.07/1M input tokens); eu.amazon.nova-lite-v1:0 from AWS Bedrock ($0.08/1M 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 openai.gpt-oss-20b-1:0 costs?

openai.gpt-oss-20b-1:0 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 $0.08 and generating 1M output tokens costs $0.36.

## Related Resources

- [Bedrock Mantle models](https://www.getmaxim.ai/bifrost/model-library/provider/bedrock_mantle.md)
- [Model library](https://www.getmaxim.ai/bifrost/model-library.md)
- [LLM cost calculator](https://www.getmaxim.ai/bifrost/llm-cost-calculator.md)
- [Docs: Bifrost docs](https://docs.getbifrost.ai)
- [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost)
- [Pricing: Bifrost pricing](https://www.getmaxim.ai/pricing)
- [Enterprise: Bifrost enterprise](https://www.getmaxim.ai/enterprise)
- [Book a Demo: Bifrost demo](https://www.getmaxim.ai/book-a-demo)
- [Resources: Bifrost resources](https://www.getmaxim.ai/bifrost/resources.md)

---

*This is a markdown version of [https://www.getmaxim.ai/bifrost/model-library/compare/bedrock_mantle/openai.gpt-oss-20b-1-0](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock_mantle/openai.gpt-oss-20b-1-0) for AI/LLM consumption.*
