#Responses API
10 total
openai-python 3.40/3.41 and openai-node 7.45.1: breakpoint TTL semantics, tool_usage, and Realtime item references
openai-python v3.40.0/v3.41.0 and openai-node v7.45.1 (2026-10-27/28): breakpoint TTL wording, Response.tool_usage, Realtime item_reference, session metadata filters, WS binary-frame preservation, and the /v1/audio/translations deprecation.
Read articleDecisions API goes GA: a fast, low-cost judgment endpoint, explained
The 2026-10-22 announcement makes the Decisions API generally available: POST /v1/decisions, gpt-6-luna only, uncached input at $0.10 per 1M tokens with free output, up to 400 questions per request. The beta first shipped 2026-10-06.
Read articleOpenAI models land on Google Cloud: the Responses API on Vertex AI and the SDK vertex() provider
The 2026-10-21 announcement brings OpenAI frontier models and Codex workflows to Gemini's Model Garden. The same day, openai-python v3.36.0 and openai-node v7.41.0 shipped a vertex() provider so standard clients can call Vertex directly.
Read articleThe Responses API Compaction Progress Event: response.compaction.compacting and compaction_trigger
openai-node v7.17.0 adds a Responses API compaction progress event: response.compaction.compacting fires at most once every 30 seconds and carries no summary content. Set in context: trigger item, compact endpoint, context_management.
Read articleGPT-6-Astra Goes Live: Codex Model Picker and Amazon Bedrock Catalogs
Codex CLI 0.154.0 (2026-09-09) lists GPT-6-Astra first in its model picker and adds it to Amazon Bedrock; a bundled official guide confirms Responses API usage and six reasoning levels topped by ultra. Pricing figures remain unpublished.
Read articleResponses API vs Chat Completions: Is It Time to Migrate?
The Assistants API is shut down and Chat Completions is in legacy mode. This guide compares the two generations across state management, tool definitions, and built-in capabilities, with a migrate-one-flow-at-a-time path.
Read articleOpenAI Structured Outputs: The Complete Guide to json_schema, strict Mode, and Common Errors
The full path to reliably parseable JSON: the Responses API text.format syntax, strict mode, schema design tips, and troubleshooting for high-frequency errors like passing schema without name.
Read articleResponses API advanced: structured outputs, streaming SSE, Batch API, prompt caching
Responses API advanced usage: JSON Schema strict mode, streaming SSE parsing, Batch API offline cost-cut, prompt caching three-tier cache, cost optimization case studies. From 'it calls' to 'production-grade'.
Read articleFunction Calling with the OpenAI API: A Complete Guide to Tool Use in the Responses API
Function calling is how GPT-5.6 calls your code. This guide walks the full Responses API flow: declaring tools, parsing function_call, returning results, and chaining multi-turn tool calls.
Read articleOpenAI API Beginner: Your First GPT-5.6 Call Explained
From account creation and API Key retrieval to your first Responses API call in Python and Node.js — a complete beginner's path to the OpenAI API.
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