Upcoming Model Deprecations - Elementum Documentation

This page lists AI models scheduled for deprecation and recommended replacements. For capabilities and when to use each model, see AI Models.

How to replace a deprecated model: See Migrate a Model Across the Organization.

The RSS feed for this page publishes when a model is added to the schedule and includes the date it will be deprecated.

Upcoming

Open AI

October 23, 2026

Engine version: gpt-3.5-turboRecommended replacement: GPT_5_6_TERRA

October 23, 2026

Engine version: gpt-4Recommended replacement: GPT_5_6_SOL

October 23, 2026

Engine version: gpt-4.1-nanoRecommended replacement: GPT_5_6_LUNA

October 23, 2026

Engine version: o3-miniRecommended replacement: GPT_5_6_SOL

December 11, 2026

Engine version: gpt-5Recommended replacement: GPT_5_6_SOL

December 11, 2026

Engine version: gpt-5-miniRecommended replacement: GPT_5_6_TERRA

December 11, 2026

Engine version: gpt-5-nanoRecommended replacement: GPT_5_6_LUNA

January 6, 2027

Engine version: gpt-4o-mini-ttsRecommended replacement: gpt-realtime-2.1-mini

February 26, 2027

Engine version: gpt-4o-transcribeRecommended replacement: gpt-transcribe or gpt-live-transcribe

February 26, 2027

Engine version: gpt-4o-mini-transcribeRecommended replacement: gpt-transcribe or gpt-live-transcribe

April 1, 2027

Engine version: gpt-5.1Recommended replacement: gpt-6-sol

April 1, 2027

Engine version: gpt-5.3-codexRecommended replacement: gpt-6-sol

April 1, 2027

Engine version: gpt-5.4-nanoRecommended replacement: gpt-6-luna

Gemini

October 20, 2026

Engine version: gemini-2.5-proRecommended replacement: GEMINI_3_8_FLASH

October 20, 2026

Engine version: gemini-2.5-flashRecommended replacement: GEMINI_3_8_FLASH

November 19, 2026

Engine version: gemini-3.6-flashRecommended replacement: GEMINI_3_8_FLASH

January 28, 2027

Engine version: gemini-3.7-flashRecommended replacement: GEMINI_3_8_FLASH

Snowflake Cortex

October 14, 2026

Engine version: claude-4-sonnetRecommended replacement: CLAUDE_4_6_SONNET

October 14, 2026

Engine version: openai-gpt-4.1Recommended replacement: CORTEX_GPT_5_6_SOL

No earlier than October 14, 2026

Engine version: llama3-8bRecommended replacement: CLAUDE_HAIKU_4_5 or LLAMA3_3_70B

No earlier than October 14, 2026

Engine version: llama3-70bRecommended replacement: CLAUDE_HAIKU_4_5 or LLAMA3_3_70B

No earlier than October 14, 2026

Engine version: llama3.1-70bRecommended replacement: CLAUDE_HAIKU_4_5 or LLAMA3_3_70B

No earlier than October 14, 2026

Engine version: mistral-7bRecommended replacement: CLAUDE_HAIKU_4_5 or LLAMA3_3_70B

No earlier than October 14, 2026

Engine version: mistral-large2Recommended replacement: CLAUDE_HAIKU_4_5 or LLAMA3_3_70B

No earlier than October 14, 2026

Engine version: mixtral-8x7bRecommended replacement: CLAUDE_HAIKU_4_5 or LLAMA3_3_70B

Anthropic

November 30, 2026

Engine version: claude-sonnet-4-5-20250929Recommended replacement: ANTHROPIC_CLAUDE_5_SONNET

Requires Attention

Enum	Engine Version	Platform	Notes	Recommended Replacement
`GEMINI_3_PRO`	`gemini-3-pro-preview`	Google Vertex AI	Vertex retirement date unresolved	Verify availability
`CORTEX_GPT_5_6_TERRA`	`openai-gpt-5.6-terra`	Snowflake Cortex	No confirmed deprecation	Verify availability
`SNOWFLAKE_INTERNAL`	`snowflake-internal`	Internal	No public lifecycle	Verify internal owner

Previously deprecated

Enum	Engine Version	Platform	Deprecation Date	Recommended Replacement
`OPEN_AI_O1_MINI`	`o1-mini`	OpenAI API	October 27, 2025	`GPT_5_6_TERRA`
`GEMINI_1_5_PRO`	`gemini-1.5-pro`	Google Vertex AI	September 24, 2025	`GEMINI_3_8_FLASH` or `GEMINI_3_1_PRO`
`GEMMA_7B`	`gemma-7b`	Snowflake Cortex	October 15, 2025	`CLAUDE_HAIKU_4_5` or `LLAMA3_3_70B`
`JAMBA_INSTRUCT`	`jamba-instruct`	Snowflake Cortex	October 15, 2025	`CLAUDE_HAIKU_4_5` or `LLAMA3_3_70B`
`LLAMA2_70B_CHAT`	`llama2-70b-chat`	Snowflake Cortex	October 15, 2025	`CLAUDE_HAIKU_4_5` or `LLAMA3_3_70B`
`LLAMA3_2_1B`	`llama3.2-1b`	Snowflake Cortex	October 15, 2025	`CLAUDE_HAIKU_4_5` or `LLAMA3_3_70B`
`LLAMA3_2_3B`	`llama3.2-3b`	Snowflake Cortex	October 15, 2025	`CLAUDE_HAIKU_4_5` or `LLAMA3_3_70B`
`REKA_CORE`	`reka-core`	Snowflake Cortex	October 15, 2025	`CLAUDE_HAIKU_4_5` or `LLAMA3_3_70B`
`REKA_FLASH`	`reka-flash`	Snowflake Cortex	October 15, 2025	`CLAUDE_HAIKU_4_5` or `LLAMA3_3_70B`
`GPT_4_TURBO_PREVIEW`	`gpt-4-turbo-preview`	OpenAI API	March 26, 2026	`GPT_4_1` or `GPT_5_6_SOL`
`CLAUDE_3_5_SONNET`	`claude-3-5-sonnet`	Snowflake Cortex	March 31, 2026	`CLAUDE_4_6_SONNET`
`CORTEX_OPEN_AI_O4_MINI`	`openai-o4-mini`	Snowflake Cortex	April 16, 2026	`CORTEX_GPT_5_MINI`
`CLAUDE_3_7_SONNET`	`claude-3-7-sonnet`	Snowflake Cortex	April 28, 2026	`CLAUDE_4_6_SONNET`
`SNOWFLAKE_ARCTIC`	`snowflake-arctic`	Snowflake Cortex	April 28, 2026	`LLAMA3_3_70B`
`CLAUDE_4_OPUS`	`claude-4-opus`	Snowflake Cortex	May 1, 2026	`CLAUDE_4_6_OPUS`
`GROK_4_FAST_NON_REASONING`	`grok-4-fast-non-reasoning`	xAI API	May 15, 2026	`grok-4.3`
`GROK_4_FAST_REASONING`	`grok-4-fast-reasoning`	xAI API	May 15, 2026	`grok-4.3`
`GROK_4_1_FAST_NON_REASONING`	`grok-4-1-fast-non-reasoning`	xAI API	May 15, 2026	`grok-4.3`
`GROK_4_1_FAST_REASONING`	`grok-4-1-fast-reasoning`	xAI API	May 15, 2026	`grok-4.3`
`GEMINI_2_0_FLASH`	`gemini-2.0-flash`	Google Vertex AI	June 1, 2026	`GEMINI_3_1_FLASH_LITE`
`GEMINI_2_0_FLASH_LITE`	`gemini-2.0-flash-lite`	Google Vertex AI	June 1, 2026	`GEMINI_3_1_FLASH_LITE`
`DEEPSEEK_R1`	`deepseek-r1`	Snowflake Cortex	July 10, 2026	`CLAUDE_4_6_SONNET` or `LLAMA3_3_70B`
`LLAMA3_405B`	`llama3.1-405b`	Snowflake Cortex	July 10, 2026	`CLAUDE_4_6_SONNET` or `LLAMA3_3_70B`
`MISTRAL_LARGE`	`mistral-large`	Snowflake Cortex	July 10, 2026	`CLAUDE_4_6_SONNET` or `LLAMA3_3_70B`
`GPT_5_3`	`gpt-5.3-chat-latest`	OpenAI API	August 10, 2026	`GPT_5_6_SOL`
`GPT_3_5_TURBO_1106`	`gpt-3.5-turbo-1106`	OpenAI API	September 28, 2026	`GPT_5_6_TERRA`

References

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