Claude Opus 5.5 Migration

Name: OpenModels
Creator: OpenModels
License: https://github.com/openmodelsrun/openmodels

AdvanceddevelopmentMinimum 64K context

Plans and executes a migration of an Anthropic integration from Claude Opus 5 or earlier to Claude Opus 5.5. Inventories model IDs and request parameters, replaces manual extended-thinking budgets with adaptive thinking and effort levels, reviews context- window and output-limit assumptions, recalculates cost with the new pricing and cache- read rates, and defines an eval and rollout plan.

claude anthropic migration model-upgrade adaptive-thinking effort

Use cases

Moving a production integration from Claude Opus 5 to Claude Opus 5.5
Replacing budget_tokens thinking configuration with adaptive thinking and effort
Re-estimating cost after a model price and cache-rate change
Planning a staged rollout with regression evals and rollback

Example prompt

Plan a migration of this integration to Claude Opus 5.5.

Context: [current model IDs, request parameters, thinking config, prompts, traffic volume]

Return:
1. Inventory of every call site and parameter that must change.
2. Thinking and effort settings per workload, with rationale.
3. Context-window and max-output assumptions to revisit.
4. Cost comparison including cache writes and reads.
5. Eval set and pass criteria before switching.
6. Staged rollout and rollback plan.

Recommended models

claude-opus-5-5 claude-sonnet-5-5 claude-fable-5-1

Compatible tools

claude-codecursorkiroany

Modalities

Input: text, code

→

Output: text, code

Author

OpenModels Community

@openmodelsrun

Publisher

Verified source