OpenAI deprecates reusable prompts, Evals platform, and Agent Builder
OpenAI announced the deprecation of three platform features: reusable prompt objects, the Evals platform, and Agent Builder, with shutdown timelines and migration guidance available on their deprecations page. This signals a consolidation or strategic shift in OpenAI's developer tooling and evaluation infrastructure. The removal of the Evals platform is particularly notable for practitioners who relied on it for structured model evaluation workflows.
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OpenAI deprecates DALL-E 2, DALL-E 3, and Realtime API Beta from API
OpenAI removed DALL-E 2 and DALL-E 3 model snapshots from its API on May 12, 2026, directing developers to migrate to gpt-image-2, gpt-image-1, or gpt-image-1-mini. The Realtime API Beta was also removed on the same date, with users directed to migrate to the released Realtime API. These are hard deprecations, not soft warnings, meaning existing integrations using the old endpoints will break.
OpenAI Introduces AgentKit, Expanded Evals, and Reinforcement Fine-Tuning for Agents
OpenAI has released a suite of developer tools aimed at accelerating agent development from prototype to production. The release includes AgentKit (a new agent-building framework), expanded evaluation capabilities, and reinforcement fine-tuning (RFT) specifically designed for agentic use cases. These tools represent OpenAI's continued push to provide end-to-end infrastructure for building and deploying AI agents at scale.
New Tools for Building Agents
OpenAI announced new tools aimed at developers building AI agents, published on March 11, 2025. The announcement comes from OpenAI's official blog, signaling a continued push to expand the agent-building ecosystem. Specific tools and capabilities were not detailed in the provided body text, but the source and framing indicate a product/tooling release targeting the agentic development workflow.
Data Points: OpenAI shuts down Sora, Anthropic multi-agent harness, EVA voice benchmark, Arm AGI CPU, White House AI preemption proposal
OpenAI is shutting down its Sora text-to-video platform without explanation, ending a major Disney licensing deal worth up to $1 billion and eliminating video capabilities from ChatGPT amid Hollywood copyright tensions. Anthropic published details on a multi-agent harness enabling Claude to build full-stack applications over multi-hour sessions using a planner-generator-evaluator architecture. ServiceNow AI Research released EVA, an open-source two-dimensional benchmark for voice agents measuring both task accuracy and conversational experience quality. Additional items cover Arm's first self-designed data center CPU (AGI CPU) co-developed with Meta, and the Trump Administration's legislative proposal for a federal AI framework that would preempt state AI laws.
GPT-4 API General Availability and Completions API Deprecation Plan
OpenAI has announced general availability of the GPT-4 API, alongside GPT-3.5 Turbo, DALL·E, and Whisper APIs. Concurrently, OpenAI is releasing a deprecation plan for older models in the Completions API, which are set to retire at the beginning of 2024. This marks a significant milestone in OpenAI's API product lifecycle, transitioning GPT-4 from limited access to broad developer availability.
OpenAI deprecates older GPT-5 and Codex model variants in ChatGPT
OpenAI is removing six model variants from the ChatGPT model picker starting April 7, 2026, including gpt-5.2-codex, gpt-5.1-codex-mini, gpt-5.1-codex-max, gpt-5.1-codex, gpt-5.1, and gpt-5, with full removal from Codex on April 14. Users are directed toward gpt-5.4, gpt-5.4-mini, gpt-5.3-codex, and gpt-5.2 as the supported options, with gpt-5.3-codex-spark available to Pro subscribers. The update signals OpenAI consolidating its model lineup around newer GPT-5.x variants and retiring earlier iterations.
OpenAI Announces Function Calling, Longer Context, and API Price Reductions
OpenAI introduced function calling capabilities to its API, enabling models to reliably output structured JSON for calling developer-defined functions. The update also includes longer context windows, more steerable models (gpt-3.5-turbo-16k and gpt-4 updates), and reduced pricing on several API tiers. These changes significantly expand the practical utility of OpenAI models for agentic and tool-use applications.
New Tools and Features in the Responses API
OpenAI announced new tools and features for its Responses API, expanding the capabilities available to developers building on the platform. The update likely includes additional built-in tools, improved function calling, or new modalities accessible through the API. As a Tier 1 source announcement, this represents a meaningful expansion of OpenAI's developer-facing infrastructure. Specific details were not available in the body text provided.