Tag
openai
10 articles
Structured Outputs: Force LLMs to Return Valid JSON
A practical guide to OpenAI Structured Outputs: the difference from JSON mode, function calling vs response_format, strict schema rules, constrained decoding, limits, and cross-provider options.
By Marcus Rivera · 8 min · Jun 22, 2026
Anthropic IPO: The $965B Filing That Beat OpenAI to Wall Street
On June 1, 2026, Anthropic confidentially filed a draft S-1 with the SEC at a roughly $965B valuation, backed by a $65B raise and a ~$47B May run-rate. OpenAI followed on June 8. Both target public listings as soon as fall 2026.
By Sarah Chen · 5 min · Jun 15, 2026
Prompt Caching: How to Cut LLM API Costs by Up to 90%
Prompt caching stores the computed KV attention tensors for a repeated prompt prefix so the model skips recomputation, cutting input cost and latency. Anthropic (explicit cache_control, ~90% read discount), OpenAI (automatic, 50% off, 1,024-token minimum), and Google Gemini (implicit plus explicit cache objects, up to 90%) all support it. The one rule that determines hit rate: put all static content at the front of the prompt and all dynamic content at the back.
By Marcus Rivera · 7 min · Jun 12, 2026
ChatGPT Ads: Can Advertising and AI Trust Coexist?
On May 5, 2026, OpenAI opened a beta self-serve Ads Manager for ChatGPT with CPC bidding and aggregate measurement tools, backed by agencies like Dentsu, Omnicom, Publicis and WPP. OpenAI promises independent answers, private conversations and user control — but an AI assistant that answers in a single authoritative voice has more power to nudge than search ever did, making those principles essential to enforce.
By Aisha Patel · 6 min · Jun 6, 2026
AI Companion Chatbots: The 2026 Lawsuit Reckoning
A 2026 survey of the legal and regulatory reckoning facing AI companion chatbots. Florida sued OpenAI and Sam Altman on June 1, 2026; Character.AI settled teen-suicide suits and faces a Pennsylvania action; the FTC opened a companion-bot inquiry; and the EU AI Act becomes fully applicable on August 2, 2026, but leaves emotion-recognition gaps. The piece outlines what real safeguards would require.
By Aisha Patel · 6 min · Jun 2, 2026
GPT-Realtime-2: OpenAI's Voice Model Gets GPT-5 Reasoning
OpenAI's GPT-Realtime-2 voice model now boasts GPT-5 reasoning and advanced features.
By Sarah Chen · 6 min · May 14, 2026
Codex 3.0: OpenAI's Autonomous Build-Test-Debug Loop Hits Product Hunt
OpenAI's Codex 3.0 offers an autonomous build-test-debug loop powered by GPT-5.5.
By Sarah Chen · 5 min · May 11, 2026
GPT-5.5-Cyber: OpenAI Hands Verified Defenders a Less-Restricted Model
OpenAI's GPT-5.5-Cyber, a less-restricted model, is now available for vetted cyber defenders.
By Sarah Chen · 6 min · May 8, 2026
GPT-5.5: OpenAI's First Full Retrain Since GPT-4.5 Bets on Agents
OpenAI's GPT-5.5 is a fully retrained model, focusing on agentic computer use, not just benchmarks.
By Sarah Chen · 5 min · May 5, 2026
GPT-5.4: OpenAI's Five-Variant Strategy Reshapes the AI Market
OpenAI's GPT-5.4, with five variants and expert-level computer use, is reshaping the AI market.
By Sarah Chen · 5 min · Mar 29, 2026