---
title: "openai.gpt-oss-120b - Model Details & Comparison"
description: "openai.gpt-oss-120b from Bedrock Mantle: 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/bedrock_mantle/openai.gpt-oss-120b"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock_mantle/openai.gpt-oss-120b.md"
---

# openai.gpt-oss-120b - Model Details & Comparison

> openai.gpt-oss-120b from Bedrock Mantle: 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 openai.gpt-oss-120b

openai.gpt-oss-120b is a chat model from Bedrock Mantle, one of 9 chat models they offer. It is priced at $0.15 per 1M input tokens and $0.60 per 1M output tokens, ranking 592 out of 2669 chat models by cost and cheaper than 77% of models in this category. openai.gpt-oss-120b supports function calling, reasoning, structured output. It accepts up to 131K input tokens.

## Specifications

- **Bedrock Mantle Provider.**
- **Chat Mode.**
- **131,072 Max Input Tokens.**
- **32,768 Max Output Tokens.**
- **32,768 Max Tokens.**
- **$0.15 / 1M tokens Input Price.**
- **$0.60 / 1M tokens Output Price.**

## Capabilities

openai.gpt-oss-120b supports: Function Calling, Reasoning, Parallel Function Calling, Response Schema, Tool Choice.

## openai.gpt-oss-120b Pricing Overview

At $0.15 per 1M input tokens and $0.60 per 1M output tokens, openai.gpt-oss-120b ranks 592 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 77% of models in this category.

openai.gpt-oss-120b is one of 9 Bedrock Mantle chat models, with support for function calling, reasoning, structured output.

## Models to Compare

Alternatives to openai.gpt-oss-120b with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| deepseek-v4-flash | Fireworks AI | $0.14 | $0.28 |
| gpt-oss-120b | Fireworks AI | $0.15 | $0.60 |
| gpt-oss-120b | Groq | $0.15 | $0.60 |
| openai.gpt-oss-120b-1:0 | AWS Bedrock | $0.15 | $0.60 |
| qwen3.5-35b-a3b | OpenRouter | $0.14 | $1.00 |

- [Compare deepseek-v4-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/fireworks_ai/deepseek-v4-flash.md)
- [Compare gpt-oss-120b](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/fireworks_ai/gpt-oss-120b.md)
- [Compare gpt-oss-120b](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/groq/gpt-oss-120b.md)
- [Compare openai.gpt-oss-120b-1:0](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/openai.gpt-oss-120b-1-0.md)
- [Compare qwen3.5-35b-a3b](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openrouter/qwen3.5-35b-a3b.md)

## Related Resources

- [Calculate openai.gpt-oss-120b costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/bedrock_mantle/model/openai.gpt-oss-120b.md)
- [All Bedrock Mantle pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/bedrock_mantle.md)

## FAQ

### Is openai.gpt-oss-120b cheaper than deepseek-v4-flash?

No. openai.gpt-oss-120b costs $0.15 per 1M input tokens while deepseek-v4-flash costs $0.14 per 1M input tokens, making deepseek-v4-flash 7% more affordable for input. However, openai.gpt-oss-120b may offer different capabilities or performance characteristics that justify the price difference.

### How does openai.gpt-oss-120b pricing compare to the average chat model?

openai.gpt-oss-120b input pricing is $0.15 per 1M tokens, which is 70% below the median of $0.50 for chat models. It ranks 592 out of 2669 chat models by input cost, making it cheaper than 77% of models in this category. For output, it costs $0.60 per 1M tokens compared to the median of $1.44.

### What makes openai.gpt-oss-120b different from other Bedrock Mantle models?

Among Bedrock Mantle's 9 chat models, openai.gpt-oss-120b ranks 6 by input cost.

### What are the best alternatives to openai.gpt-oss-120b?

The most comparable chat models to openai.gpt-oss-120b are: deepseek-v4-flash from Fireworks AI ($0.14/1M input tokens); gpt-oss-120b from Fireworks AI ($0.15/1M input tokens); gpt-oss-120b from Groq ($0.15/1M input tokens); openai.gpt-oss-120b-1:0 from AWS Bedrock ($0.15/1M 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-120b costs?

openai.gpt-oss-120b 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 $0.15 and generating 1M output tokens costs $0.60.

## Related Resources

- [Bedrock Mantle models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/bedrock_mantle.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/bedrock_mantle/openai.gpt-oss-120b](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock_mantle/openai.gpt-oss-120b) for AI/LLM consumption.*
