AI Model Deprecations & Shutdown Schedule
Track official model retirements, shutdown countdown deadlines, and recommended migration alternatives before production pipelines break.
OpenAI winds down fine-tuning platform for new users
OpenAI is closing the fine-tuning platform to new users; existing users can still create training jobs for the coming months, and fine-tuned models remain available for inference until their base models are deprecated.
Gemini 3.7 Flash Removed from Pricing Page
The Gemini 3.7 Flash model entry has been removed from Google's AI pricing page, suggesting the model may be deprecated, renamed, or replaced. Users relying on gemini-3.7-flash should verify availability and plan for potential migration.
Claude Haiku 4.5 removed from Anthropic models documentation
The Claude Haiku 4.5 entry has been removed from Anthropic's models documentation page. This may indicate a deprecation, retirement, or documentation restructuring, but the diff provides no replacement or sunset details.
Gemini 2.5 Flash Image deprecation notice on pricing page
Google's pricing page now warns that Gemini 2.5 Flash Image (gemini-2.5-flash-image) is deprecated and will shut down on October 2, 2026, directing users to migrate to Gemini 3.1 Flash Image or Gemini 3.1 Flash Lite Image to avoid service disruption.
DeepSeek V4 Pro retirement reversed; API service continues
DeepSeek has reversed its plan to retire V4 Pro on September 14, 2026. The model will remain available via API with unchanged billing, instead of being routed to V4.1 Flash. Users relying on V4 Pro can continue without migration.
Gemini 3.7 Flash replaced by Gemini 3.8 Flash on pricing page
Google's pricing page now lists Gemini 3.8 Flash as the current model, removing Gemini 3.7 Flash references. The new model is positioned for long-horizon software engineering and autonomous agents. No pricing figures changed in this diff, but the model lineup shift signals potential deprecation of 3
Anthropic introduces Claude Fable 5.1, replacing Fable 5
Anthropic's model overview now lists Claude Fable 5.1 as the top-tier model for demanding reasoning and long-horizon agentic work, replacing Claude Fable 5. The new model has a knowledge cutoff of Jun 2026 (vs Jan 2026 for Fable 5). API ID is claude-fable-5-1. This is a new model launch, not a break
Claude Opus 4.8 replaced by Claude Opus 5 in model table
Anthropic updated the models overview page, replacing Claude Opus 4.8 with Claude Opus 5 as the recommended model for complex agentic coding and enterprise work. The new model has a May 2026 knowledge cutoff (vs Jan 2026 for Opus 4.8). Users should migrate to the new model ID claude-opus-5.
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