AI model deprecations in April 2027

Model deprecations by provider, with effective dates and the exact listings affected. Other versions or providers may still be available.

Updated October 31, 2026RSS feed

Deprecated this month

No deprecations recorded for this period.

Scheduled for deprecation

These dates are still ahead. Entries join the RSS feed when their effective date arrives.

Effective date	Model	API provider	Affected listings
Apr 1, 2027	GPT-5.1	OpenAI	2 listings `gpt-5.1` `gpt-5.1-2025-11-13`
Apr 1, 2027	GPT-5.3 Codex	OpenAI	`gpt-5.3-codex`
Apr 1, 2027	GPT-5.4 Nano	OpenAI	2 listings `gpt-5.4-nano` `gpt-5.4-nano-2026-03-17`
Apr 1, 2027	Multimodalembedding	Google Vertex AI	`vertex_ai/multimodalembedding@001`
Apr 1, 2027	Text Embedding 004	Google Vertex AI	`vertex_ai/text-embedding-004`
Apr 1, 2027	Text Embedding 005	Google Vertex AI	`vertex_ai/text-embedding-005`
Apr 1, 2027	Text Multilingual Embedding 002	Google Vertex AI	`vertex_ai/text-multilingual-embedding-002`
Apr 6, 2027	Claude Opus 4.7	Azure AI Foundry	`azure_ai/claude-opus-4-7`
Apr 6, 2027	GPT Audio Mini	Azure OpenAI	`azure/gpt-audio-mini-2025-10-06`
Apr 6, 2027	GPT Realtime Mini	Azure OpenAI	`azure/gpt-realtime-mini-2025-10-06`
Apr 6, 2027	Grok 4.20 Non Reasoning	Azure AI Foundry	`azure_ai/grok-4-20-non-reasoning`
Apr 6, 2027	Grok 4.20 Reasoning	Azure AI Foundry	`azure_ai/grok-4-20-reasoning`
Apr 7, 2027	GPT-5 Pro	Azure OpenAI	3 listings `azure/eu/gpt-5-pro` `azure/gpt-5-pro` `azure/us/gpt-5-pro`
Apr 7, 2027	GPT Image 1 Mini	Azure OpenAI	10 listings `azure/gpt-image-1-mini` `azure/high/1024-x-1024/gpt-image-1-mini` `azure/high/1024-x-1536/gpt-image-1-mini` `azure/high/1536-x-1024/gpt-image-1-mini` `azure/low/1024-x-1024/gpt-image-1-mini` `azure/low/1024-x-1536/gpt-image-1-mini` `azure/low/1536-x-1024/gpt-image-1-mini` `azure/medium/1024-x-1024/gpt-image-1-mini` `azure/medium/1024-x-1536/gpt-image-1-mini` `azure/medium/1536-x-1024/gpt-image-1-mini`
Apr 8, 2027	Claude Sonnet 4.5	Amazon Bedrock	12 listings `anthropic.claude-sonnet-4-5-20250929-v1:0` `au.anthropic.claude-sonnet-4-5-20250929-v1:0` `bedrock/us-gov-east-1/anthropic.claude-sonnet-4-5-20250929-v1:0` `bedrock/us-gov-east-1/claude-sonnet-4-5-20250929-v1:0` `bedrock/us-gov-west-1/anthropic.claude-sonnet-4-5-20250929-v1:0` `bedrock/us-gov-west-1/claude-sonnet-4-5-20250929-v1:0` `claude-sonnet-4-5-20250929-v1:0` `eu.anthropic.claude-sonnet-4-5-20250929-v1:0` `global.anthropic.claude-sonnet-4-5-20250929-v1:0` `jp.anthropic.claude-sonnet-4-5-20250929-v1:0` `us-gov.anthropic.claude-sonnet-4-5-20250929-v1:0` `us.anthropic.claude-sonnet-4-5-20250929-v1:0`
Apr 14, 2027	GPT-4.1	Azure OpenAI	5 listings `azure/eu/gpt-4.1` `azure/gpt-4.1` `azure/gpt-4.1-2025-04-14` `azure/us/gpt-4.1` `azure/us/gpt-4.1-2025-04-14`
Apr 14, 2027	GPT-4.1 Mini	Azure OpenAI	5 listings `azure/eu/gpt-4.1-mini` `azure/gpt-4.1-mini` `azure/gpt-4.1-mini-2025-04-14` `azure/us/gpt-4.1-mini` `azure/us/gpt-4.1-mini-2025-04-14`
Apr 14, 2027	GPT-4.1 Nano	Azure OpenAI	5 listings `azure/eu/gpt-4.1-nano` `azure/gpt-4.1-nano` `azure/gpt-4.1-nano-2025-04-14` `azure/us/gpt-4.1-nano` `azure/us/gpt-4.1-nano-2025-04-14`
Apr 14, 2027	GPT-4o	Azure OpenAI	13 listings `azure/eu/gpt-4o` `azure/eu/gpt-4o-2024-08-06` `azure/eu/gpt-4o-2024-11-20` `azure/global-standard/gpt-4o-2024-08-06` `azure/global-standard/gpt-4o-2024-11-20` `azure/global/gpt-4o-2024-08-06` `azure/global/gpt-4o-2024-11-20` `azure/gpt-4o` `azure/gpt-4o-2024-08-06` `azure/gpt-4o-2024-11-20` `azure/us/gpt-4o` `azure/us/gpt-4o-2024-08-06` `azure/us/gpt-4o-2024-11-20`
Apr 14, 2027	GPT-4o Mini	Azure OpenAI	7 listings `azure/eu/gpt-4o-mini` `azure/eu/gpt-4o-mini-2024-07-18` `azure/global-standard/gpt-4o-mini` `azure/gpt-4o-mini` `azure/gpt-4o-mini-2024-07-18` `azure/us/gpt-4o-mini` `azure/us/gpt-4o-mini-2024-07-18`
Apr 15, 2027	GPT-4o Transcribe Diarize	Azure OpenAI	`azure/gpt-4o-transcribe-diarize`
Apr 16, 2027	Claude Opus 4.7	Google Vertex AI	2 listings `vertex_ai/claude-opus-4-7` `vertex_ai/claude-opus-4-7@default`
Apr 16, 2027	Kimi K2.6	Azure AI Foundry	`azure_ai/kimi-k2.6`
Apr 16, 2027	Kimi K2.7 Code	Azure AI Foundry	`azure_ai/kimi-k2.7-code`

By month

Dates come from LiteLLM’s price file and reflect provider listings, not announcement dates. History is backfilled from recorded dates; it may not include models removed before tracking began. Regional and pricing variants with the same provider and date are grouped together.