GPT Migrator
APIs, integrations and technical migration

Code execution for a GPT replacement

Last checked October 18, 2026
Short answerBoth providers offer code execution tools in their APIs. OpenAI bills containers by memory size; Anthropic lists 1,550 free hours per organization per month then $0.05 per hour. Sandboxes have limits and Anthropic's has no internet.

From OpenAI's and Anthropic's documentation, checked October 18, 2026. OpenAI's billing unit is described inconsistently on its pricing page.

OpenAI code interpreterAnthropic code execution
HowAdd a code_interpreter tool with a container and memory limit (1g, 4g, 16g, 64g)Add a code_execution tool
LimitsContainer expires after 20 minutes idle5 GiB RAM, 5 GiB disk, 1 CPU, Python 3.11, no internet, containers expire after 30 days
Price listedPer container session by memory size (for example $0.03 for 1 GB per 20-minute session)1,550 free hours per organization per month, then $0.05 per hour per container

If your GPT analyses spreadsheets or draws charts, this is the feature to rebuild: data analysis GPTs. Hosted pages on GPT Migrator do not execute code.

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Sources

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