---
title: "gpt-5.1-codex-max Cost Calculator - Opencode-zen"
description: "Calculate the cost of using gpt-5.1-codex-max from Opencode-zen. Input costs $1.25 and output $10.00 per 1M tokens."
url: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/opencode-zen/model/gpt-5.1-codex-max"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/opencode-zen/model/gpt-5.1-codex-max.md"
---

# gpt-5.1-codex-max Cost Calculator - Opencode-zen

> Calculate the cost of using gpt-5.1-codex-max from Opencode-zen. Input costs $1.25 and output $10.00 per 1M tokens.

## 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://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 gpt-5.1-codex-max

gpt-5.1-codex-max is a chat model from Opencode-zen, one of 56 chat models they offer. It is priced at $1.25 per 1M input tokens and $10.00 per 1M output tokens, ranking 2326 out of 3254 chat models by cost and cheaper than 28% of models in this category.

## Pricing

Published Opencode-zen pricing for gpt-5.1-codex-max.

- **$1.25 / 1M tokens Input.**
- **$10.00 / 1M tokens Output.**

## Technical Specifications

- **Chat Mode.**

## How Pricing Compares

At $1.25 per 1M input tokens and $10.00 per 1M output tokens, gpt-5.1-codex-max ranks 2326 out of 3254 chat models by input cost. It is more expensive compared to the median of $0.52 for chat models, and is cheaper than 28% of models in this category.

| Model | Provider | Input $/1M | Output $/1M | vs gpt-5.1-codex-max |
| --- | --- | --- | --- | --- |
| amazon.titan-text-express-v1 | AWS Bedrock | $1.30 | $1.70 | +4% |
| apac.anthropic.claude-haiku-4-5-20251001-v1:0 | AWS Bedrock | $1.10 | $5.50 | -12% |
| gpt-5-2025-08-07 | Azure | $1.38 | $11.00 | +10% |
| gpt-5.1 | Azure | $1.38 | $11.00 | +10% |
| gpt-5.1-chat | Azure | $1.38 | $11.00 | +10% |

## More from Opencode-zen

- [muse-spark-1.2 ($1.25/1M input)](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/opencode-zen/model/muse-spark-1.2.md)
- [glm-5.3 ($1.40/1M input)](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/opencode-zen/model/glm-5.3.md)
- [gpt-5.1 ($1.07/1M input)](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/opencode-zen/model/gpt-5.1.md)
- [gpt-5.1-codex ($1.07/1M input)](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/opencode-zen/model/gpt-5.1-codex.md)

## Related Resources

- [All Opencode-zen pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/opencode-zen.md)

## FAQ

### Is gpt-5.1-codex-max cheaper than amazon.titan-text-express-v1?

Yes. gpt-5.1-codex-max costs $1.25 per 1M input tokens compared to amazon.titan-text-express-v1's $1.30 per 1M input tokens, making it 4% more affordable. Both are chat models.

### How does gpt-5.1-codex-max pricing compare to the average chat model?

gpt-5.1-codex-max input pricing is $1.25 per 1M tokens, which is 142% above the median of $0.52 for chat models. It ranks 2326 out of 3254 chat models by input cost, making it cheaper than 28% of models in this category. For output, it costs $10.00 per 1M tokens compared to the median of $1.50.

### What makes gpt-5.1-codex-max different from other Opencode-zen models?

Among Opencode-zen's 56 chat models, gpt-5.1-codex-max ranks 25 by input cost.

### What are the best alternatives to gpt-5.1-codex-max?

The most comparable chat models to gpt-5.1-codex-max are: amazon.titan-text-express-v1 from AWS Bedrock ($1.30/1M input tokens); apac.anthropic.claude-haiku-4-5-20251001-v1:0 from AWS Bedrock ($1.10/1M input tokens); gpt-5-2025-08-07 from Azure ($1.38/1M input tokens); gpt-5.1 from Azure ($1.38/1M 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-5.1-codex-max costs?

gpt-5.1-codex-max 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 $1.25 and generating 1M output tokens costs $10.00.

## Related Resources

- [All Opencode-zen pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/opencode-zen.md)
- [LLM cost calculator](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator.md)
- [Model library](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library.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://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/llm-cost-calculator/provider/opencode-zen/model/gpt-5.1-codex-max](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/opencode-zen/model/gpt-5.1-codex-max) for AI/LLM consumption.*