https://benchr.org/deprecations Announced AI model retirements, verified against official provider deprecation documentation. New item whenever a provider announces a shutdown date. en Fri, 12 Jun 2026 18:00:00 +0000 https://benchr.org/deprecations/openai-october-2026-retirements benchr-dep-openai-july-2026-wave Fri, 12 Jun 2026 18:00:00 +0000 Announced April 22, 2026: five Codex IDs (gpt-5-codex through gpt-5.2-codex) retire into GPT-5.5, o3- and o4-mini-deep-research into GPT-5.5 Pro, and computer-use-preview into GPT-5.4 mini — all on July 23, 2026, alongside the gpt-5 and gpt-5.1 chat-latest snapshots. https://benchr.org/deprecations benchr-dep-openai-platform-nov-2026 Fri, 12 Jun 2026 18:00:00 +0000 Announced June 3, 2026: three platform products go on November 30 — the Reusable Prompts API (v1/prompts), the Evals dashboard and API, and Agent Builder. Agent Builder's official migration path is the Agents SDK; reusable prompts move into application code. https://benchr.org/deprecations benchr-dep-gemini-3-pro-image-preview Fri, 12 Jun 2026 18:00:00 +0000 The gemini-3-pro-image-preview id retires June 25, 2026. The stable gemini-3-pro-image is the drop-in replacement, per Google's deprecations page. https://benchr.org/deprecations/claude-sonnet-4 https://benchr.org/deprecations/claude-sonnet-4 Fri, 12 Jun 2026 12:00:00 +0000 Anthropic retires claude-sonnet-4-20250514 on the Claude API June 15, 2026 (announced April 14). Replacement: Claude Sonnet 4.6 at the same $3/$15 — with 1M context and a 6.9-point SWE-bench gain. https://benchr.org/deprecations/claude-opus-4 https://benchr.org/deprecations/claude-opus-4 Fri, 12 Jun 2026 12:00:00 +0000 The $15/$75 Opus era ends. claude-opus-4-20250514 retires June 15, 2026; claude-opus-4-1-20250805 follows August 5. Claude Opus 4.8 replaces both at $5/$25 with SWE-bench Verified 88.6% vs 72.5%. https://benchr.org/deprecations benchr-dep-claude-mythos-preview Fri, 12 Jun 2026 12:00:00 +0000 claude-mythos-preview retires June 30, 2026 in favor of Claude Mythos 5 inside Project Glasswing. General developers should use Claude Fable 5, the publicly available Mythos-class model. https://benchr.org/deprecations/gemini-2-5-pro https://benchr.org/deprecations/gemini-2-5-pro Fri, 12 Jun 2026 12:00:00 +0000 Google lists October 16, 2026 as the earliest shutdown for gemini-2.5-pro and gemini-2.5-flash. Migration raises prices: 2.5 Flash users go from $0.30 to $1.50 per 1M input on Gemini 3.5 Flash. https://benchr.org/deprecations/gpt-4o https://benchr.org/deprecations/gpt-4o Fri, 12 Jun 2026 12:00:00 +0000 OpenAI retires gpt-4o-2024-05-13 on October 23, 2026. The official replacement is GPT-5.5 at $5/$30; benchr's value pick for most GPT-4o workloads is GPT-5 at $1.25/$10. https://benchr.org/deprecations/openai-october-2026-retirements https://benchr.org/deprecations/openai-october-2026-retirements Fri, 12 Jun 2026 12:00:00 +0000 Eleven model IDs retire at once: GPT-4o, GPT-4, GPT-4 Turbo, GPT-3.5 Turbo, GPT-4.1 nano, GPT Image 1, o1, o1-pro, o3-mini, o4-mini. The Assistants API sunsets August 26. Audit your model strings now. https://benchr.org/deprecations benchr-dep-gpt-image-1 Fri, 12 Jun 2026 12:00:00 +0000 Announced June 2, 2026: older GPT Image models leave the API December 1, 2026. GPT Image 2 is the replacement.