---
title: "o1-pro-2025-03-19 - Model Details & Comparison"
description: "o1-pro-2025-03-19 from OpenAI: 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/openai/o1-pro-2025-03-19"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openai/o1-pro-2025-03-19.md"
---

# o1-pro-2025-03-19 - Model Details & Comparison

> o1-pro-2025-03-19 from OpenAI: 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 o1-pro-2025-03-19

o1-pro-2025-03-19 is a responses model from OpenAI, one of 23 responses models they offer. It is priced at $150.00 per 1M input tokens and $600.00 per 1M output tokens, ranking 53 out of 53 responses models by cost and cheaper than 0% of models in this category. o1-pro-2025-03-19 supports vision, function calling, reasoning, prompt caching, structured output. It accepts up to 200K input tokens.

## Specifications

- **OpenAI Provider.**
- **Responses Mode.**
- **200,000 Max Input Tokens.**
- **100,000 Max Output Tokens.**
- **100,000 Max Tokens.**
- **$150.00 / 1M tokens Input Price.**
- **$600.00 / 1M tokens Output Price.**

## Capabilities

o1-pro-2025-03-19 supports: Function Calling, Vision, Reasoning, Prompt Caching, Parallel Function Calling, System Messages, Response Schema, Tool Choice, PDF Input.

## o1-pro-2025-03-19 Pricing Overview

At $150.00 per 1M input tokens and $600.00 per 1M output tokens, o1-pro-2025-03-19 ranks 53 out of 53 responses models by input cost. It is more expensive compared to the median of $2.75 for responses models, and is cheaper than 0% of models in this category.

o1-pro-2025-03-19 is one of 23 OpenAI responses models, with support for vision, function calling, reasoning, prompt caching, structured output.

## Models to Compare

Alternatives to o1-pro-2025-03-19 with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| codex-mini | Azure | $1.50 | $6.00 |
| gpt-5.1-codex | Azure | $1.38 | $11.00 |
| gpt-5.1-codex-mini | Azure | $0.28 | $2.20 |
| gpt-5.1-codex-2025-11-13 | Azure | $1.25 | $10.00 |
| gpt-5.1-codex-mini-2025-11-13 | Azure | $0.25 | $2.00 |

- [Compare codex-mini](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/codex-mini.md)
- [Compare gpt-5.1-codex](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.1-codex.md)
- [Compare gpt-5.1-codex-mini](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.1-codex-mini.md)
- [Compare gpt-5.1-codex-2025-11-13](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.1-codex-2025-11-13.md)
- [Compare gpt-5.1-codex-mini-2025-11-13](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.1-codex-mini-2025-11-13.md)

## Related Resources

- [Calculate o1-pro-2025-03-19 costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openai/model/o1-pro-2025-03-19.md)
- [Check OpenAI status](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/provider-status/openai.md)
- [All OpenAI pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openai.md)

## FAQ

### Is o1-pro-2025-03-19 cheaper than codex-mini?

No. o1-pro-2025-03-19 costs $150.00 per 1M input tokens while codex-mini costs $1.50 per 1M input tokens, making codex-mini 99% more affordable for input. However, o1-pro-2025-03-19 may offer different capabilities or performance characteristics that justify the price difference.

### How does o1-pro-2025-03-19 pricing compare to the average responses model?

o1-pro-2025-03-19 input pricing is $150.00 per 1M tokens, which is 5355% above the median of $2.75 for responses models. It ranks 53 out of 53 responses models by input cost, making it cheaper than 0% of models in this category. For output, it costs $600.00 per 1M tokens compared to the median of $16.50.

### What makes o1-pro-2025-03-19 different from other OpenAI models?

Among OpenAI's 23 responses models, o1-pro-2025-03-19 ranks 23 by input cost.

### What are the best alternatives to o1-pro-2025-03-19?

The most comparable responses models to o1-pro-2025-03-19 are: codex-mini from Azure ($1.50/1M input tokens); gpt-5.1-codex from Azure ($1.38/1M input tokens); gpt-5.1-codex-mini from Azure ($0.28/1M input tokens); gpt-5.1-codex-2025-11-13 from Azure ($1.25/1M 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 check if OpenAI is down?

You can monitor OpenAI service health in real time on the Bifrost OpenAI Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds.

### How do I calculate o1-pro-2025-03-19 costs?

o1-pro-2025-03-19 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 $150.00 and generating 1M output tokens costs $600.00.

## Related Resources

- [OpenAI models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/openai.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/openai/o1-pro-2025-03-19](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openai/o1-pro-2025-03-19) for AI/LLM consumption.*
