Real ChatGPT answer · index seedRhPrAnydXvIcompleteB2B software · AI and automation toolshowto

We are migrating from OpenAI to Anthropic for our customer support automation, what breaking changes should I watch out for in the API payloads?

ChatGPTgpt-63 queries10/31/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
We are migrating from OpenAI to Anthropic for our customer support automation, what breaking changes should I watch out for in the API payloads?
3 real searches · 1 real-search pass
Anthropic API migration from OpenAI Chat Completions payload differences Messages API system max_tokens tools streaming official docsGoogle ↗
OBSERVED
Anthropic API tool use input_schema tool_result content blocks official docsGoogle ↗
OBSERVED
Anthropic API structured outputs JSON mode OpenAI migration official docsGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 3 queries…

Searches and sources

ChatGPT3 real searches · gpt-6
Anthropic API migration from OpenAI Chat Completions payload differences Messages API system max_tokens tools streaming official docs Google ↗
Anthropic API tool use input_schema tool_result content blocks official docs Google ↗
Anthropic API structured outputs JSON mode OpenAI migration official docs Google ↗
  1. Tool use with Claude · platform.claude.com
  2. How tool use works · platform.claude.com
  3. Handle tool calls · platform.claude.com
  4. Stop reasons and fallback · platform.claude.com
  5. Structured model outputs · developers.openai.com
  6. Structured outputs · platform.claude.com
  7. Streaming messages · platform.claude.com
  8. API usage primer for Claude · platform.claude.com
  9. Prompt caching · platform.claude.com
  10. Versions · platform.claude.com
  11. Anthropic Messages API · platform.claude.com

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Anthropic API migration from OpenAI Chat Completions payload differences Messages API system max_tokens tools streaming official docs
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
Anthropic API tool use input_schema tool_result content blocks official docs
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
Anthropic API structured outputs JSON mode OpenAI migration official docs
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1