Calculate the cost of using gpt-5.1-codex-max from Opencode-zen for your AI applications
Pricing data last updated:
Mode: Chat
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gpt-5.1-codex-max is a chat model from Opencode-zen, one of 42 chat models they offer. It is priced at $1.25 per 1M input tokens and $10.00 per 1M output tokens, ranking 1932 out of 2661 chat models by cost and cheaper than 27% of models in this category.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
At $1.25 per 1M input tokens and $10.00 per 1M output tokens, gpt-5.1-codex-max ranks 1932 out of 2661 chat models by input cost. It is more expensive compared to the median of $0.50 for chat models, and is cheaper than 27% of models in this category.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | 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% |
Similar chat models from other providers
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.
gpt-5.1-codex-max input pricing is $1.25 per 1M tokens, which is 150% above the median of $0.50 for chat models. It ranks 1932 out of 2661 chat models by input cost, making it cheaper than 27% of models in this category. For output, it costs $10.00 per 1M tokens compared to the median of $1.44.
Among Opencode-zen's 42 chat models, gpt-5.1-codex-max ranks 18 by input cost.
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.
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.