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Deprecation — AI news & analysis
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Every Pick Right story tagged deprecation — 3 articles, newest first. All news →
Claude Sonnet 4.5 has 61 days to live, and the replacement Anthropic names is 13% cheaper — not 33%
On 30 September 2026 Anthropic deprecated claude-sonnet-4-5-20250929 with retirement set for 30 November — 61 days, one day over the 60-day minimum its own policy promises, and the fifth consecutive deprecation to land within two days of that floor. The recommended replacement drops the list price from $3/$15 to $2/$10, but Sonnet 5.5 runs a tokenizer that produces about 30% more tokens for the same text. Net effective saving: about 13%.
Read story →OpenAI's oldest API surface runs out of models on Monday — and its own docs disagree about when your legacy fine-tunes die
On 28 September 2026 OpenAI shuts down gpt-3.5-turbo-instruct, davinci-002, babbage-002 and gpt-3.5-turbo-1106. The first three are the only models the legacy /v1/completions endpoint serves, so the endpoint does not get a replacement — it gets zero inhabitants. The deprecation table maps all four onto gpt-5.6-terra, a reasoning model on a different API surface at six times the output price, with no echo, no suffix, no best_of and no raw log-probabilities. And OpenAI's stated rule for fine-tunes contradicts its own shutdown date by 25 days.
Read story →OpenAI's Assistants API shuts down today — and the next five shutdowns all hand work back to you
The Assistants API sunsets on 26 August 2026, exactly twelve months after notice. Five more OpenAI shutdowns land before 20 January 2027: legacy GPT snapshots on 23 October, Agent Builder and reusable Prompts on 30 November, GPT-5 and o3 snapshots on 11 December, legacy audio and realtime models on 20 January. The retirements are ordinary. The direction is not — every one of them moves state, hosting or tooling from OpenAI's servers onto yours.
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