GPT-5, GPT-5.1 – GPT-5.5 & Codex Deprecation, Shutdown Dates & Migration Guide

Runs locally in your browser — 0 bytes uploaded Synced 2026-11-12 UTC · 57 variants · 3 ecosystems

Track confirmed UTC deprecation and shutdown dates for GPT-5, GPT-5.1 – GPT-5.5 & Codex (OpenAI) across OpenAI, AWS Bedrock, Azure OpenAI. Preview gpt-5-2025-08-07 → gpt-5.6-sol upgrades locally below, audit full configs in the Model Config Auditor, or benchmark token pricing in DevToken.

Tracked Variants 57
Earliest Upcoming EOL 2026-12-11
Recommended Upgrade gpt-5.6-sol
Ecosystems Covered OpenAI, AWS Bedrock, Azure OpenAI

1. Quick .env & SDK Snippet Replacement Matcher

Edit or paste your .env assignment, LiteLLM route, or SDK model identifier below to check live 3-state EOL status and copy a ready-to-apply replacement diff locally in your browser.

2 of 2 configured models need migration

Replacement Diff Preview (gpt-5-2025-08-07 → gpt-5.6-sol)

# OPENAI_MODEL: gpt-5-2025-08-07 -> gpt-5.6-sol [DEPRECATED · EOL 2026-12-11]
- OPENAI_MODEL="gpt-5-2025-08-07"
+ OPENAI_MODEL="gpt-5.6-sol"

# AZURE_OPENAI_DEPLOYMENT: gpt-5 (2025-08-07) -> gpt-6.1-sol (2026-09-29) [DEPRECATED · EOL 2027-02-09]
- AZURE_OPENAI_DEPLOYMENT="gpt-5 (2025-08-07)"
+ AZURE_OPENAI_DEPLOYMENT="gpt-6.1-sol (2026-09-29)"

2. Cross-Ecosystem GPT-5, GPT-5.1 – GPT-5.5 & Codex Lifecycle Matrix (57)

Direct vendor APIs and cloud platforms retire dated snapshots on independent schedules. Verify the exact model ID, vendor lifecycle stage, and UTC shutdown date matching your deployment.

GPT-5, GPT-5.1 – GPT-5.5 & Codex lifecycle status, UTC shutdown dates, and replacement models across OpenAI, AWS Bedrock, Azure OpenAI
Model ID Provider Calculated Status Confirmed Shutdown (UTC) Vendor Lifecycle Replacement & Migration Source
gpt-5 OpenAI DEPRECATED (29d) 2026-12-11in 29d Deprecated
gpt-5.6-sol Cost → Audit →
Docs ↗
gpt-5-2025-08-07 OpenAI DEPRECATED (29d) 2026-12-11in 29d Deprecated
gpt-5.6-sol Cost → Audit →
Docs ↗
gpt-5-mini OpenAI DEPRECATED (29d) 2026-12-11in 29d Deprecated
gpt-5.6-terra Cost → Audit →
Docs ↗
gpt-5-mini-2025-08-07 OpenAI DEPRECATED (29d) 2026-12-11in 29d Deprecated
gpt-5.6-terra Cost → Audit →
Docs ↗
gpt-5-nano OpenAI DEPRECATED (29d) 2026-12-11in 29d Deprecated
gpt-5.6-luna Cost → Audit →
Docs ↗
gpt-5-nano-2025-08-07 OpenAI DEPRECATED (29d) 2026-12-11in 29d Deprecated
gpt-5.6-luna Cost → Audit →
Docs ↗
gpt-5-pro OpenAI DEPRECATED (29d) 2026-12-11in 29d Deprecated
gpt-5.6-sol (reasoning.mode: pro) Cost → Audit →
Docs ↗
gpt-5-pro-2025-10-06 OpenAI DEPRECATED (29d) 2026-12-11in 29d Deprecated
gpt-5.6-sol (reasoning.mode: pro) Cost → Audit →
Docs ↗
gpt-5.5-cyber-preview OpenAI DEPRECATED (81d) 2027-02-01in 81d Deprecated
The most capable cyber model available to you. Cost → Audit →
Docs ↗
gpt-5 (2025-08-07) Azure OpenAI DEPRECATED (89d) 2027-02-09in 89d GA
gpt-6.1-sol (2026-09-29) Cost → Audit →
Docs ↗
gpt-5-nano (2025-08-07) Azure OpenAI DEPRECATED (89d) 2027-02-09in 89d GA
gpt-6-luna (2026-09-22) Cost → Audit →
Docs ↗
gpt-5-codex (2025-09-15) Azure OpenAI DEPRECATED (125d) 2027-03-17in 125d GA
gpt-5-codex (2025-09-11) Cost → Audit →
Docs ↗
gpt-5.1 OpenAI DEPRECATED (140d) 2027-04-01in 140d Deprecated
gpt-6-sol Cost → Audit →
Docs ↗
gpt-5.1-2025-11-13 OpenAI DEPRECATED (140d) 2027-04-01in 140d Deprecated
gpt-6-sol Cost → Audit →
Docs ↗
gpt-5.3-codex OpenAI DEPRECATED (140d) 2027-04-01in 140d Deprecated
gpt-6-sol Cost → Audit →
Docs ↗
gpt-5.4-nano OpenAI DEPRECATED (140d) 2027-04-01in 140d Deprecated
gpt-6-luna Cost → Audit →
Docs ↗
gpt-5.4-nano-2026-03-17 OpenAI DEPRECATED (140d) 2027-04-01in 140d Deprecated
gpt-6-luna Cost → Audit →
Docs ↗
gpt-5-pro (2025-10-06) Azure OpenAI DEPRECATED (146d) 2027-04-07in 146d GA
gpt-6.1-terra (2026-10-26) Cost → Audit →
Docs ↗
gpt-5.1-codex (2025-11-13) Azure OpenAI DEPRECATED (184d) 2027-05-15in 184d GA
gpt-5-codex (2025-09-11) Cost → Audit →
Docs ↗
gpt-5.1-codex-mini (2025-11-13) Azure OpenAI DEPRECATED (184d) 2027-05-15in 184d GA
gpt-5-codex (2025-09-11) Cost → Audit →
Docs ↗
gpt-5.1-codex-max (2025-12-04) Azure OpenAI DEPRECATED (187d) 2027-05-18in 187d GA
gpt-5-codex (2025-09-11) Cost → Audit →
Docs ↗
gpt-5.2 (2025-12-11) Azure OpenAI DEPRECATED (208d) 2027-06-08in 208d GA
gpt-6.1-sol (2026-09-29) Cost → Audit →
Docs ↗
gpt-5-mini (2025-08-07) Azure OpenAI DEPRECATED (243d) 2027-07-13in 243d GA
gpt-6-luna (2026-09-22) Cost → Audit →
Docs ↗
gpt-5.1 (2025-11-13) Azure OpenAI DEPRECATED (243d) 2027-07-13in 243d GA
gpt-6.1-sol (2026-09-29) Cost → Audit →
Docs ↗
gpt-5.2-codex (2026-01-14) Azure OpenAI DEPRECATED (243d) 2027-07-13in 243d GA
gpt-5-codex (2025-09-11) Cost → Audit →
Docs ↗
gpt-5.3-codex (2026-02-24) Azure OpenAI DEPRECATED (285d) 2027-08-24in 285d GA
gpt-5-codex (2025-09-11) Cost → Audit →
Docs ↗
gpt-5.4 (2026-03-05) Azure OpenAI DEPRECATED (294d) 2027-09-02in 294d GA
gpt-6.1-sol (2026-09-29) Cost → Audit →
Docs ↗
gpt-5.4-pro (2026-03-05) Azure OpenAI DEPRECATED (299d) 2027-09-07in 299d GA
gpt-6.1-terra (2026-10-26) Cost → Audit →
Docs ↗
gpt-5.4-mini (2026-03-17) Azure OpenAI DEPRECATED (313d) 2027-09-21in 313d GA
gpt-6-luna (2026-09-22) Cost → Audit →
Docs ↗
gpt-5.4-nano (2026-03-17) Azure OpenAI DEPRECATED (313d) 2027-09-21in 313d GA
gpt-6-luna (2026-09-22) Cost → Audit →
Docs ↗
gpt-5.5 (2026-04-24) Azure OpenAI DEPRECATED (348d) 2027-10-26in 348d GA
gpt-6.1-sol (2026-09-29) Cost → Audit →
Docs ↗
gpt-5.6-luna (2026-07-09) Azure OpenAI DEPRECATED (425d) 2028-01-11in 425d GA
gpt-6-luna (2026-09-22) Cost → Audit →
Docs ↗
gpt-5.6-sol (2026-07-09) Azure OpenAI DEPRECATED (425d) 2028-01-11in 425d GA
gpt-6.1-sol (2026-09-29) Cost → Audit →
Docs ↗
gpt-5.6-terra (2026-07-09) Azure OpenAI DEPRECATED (425d) 2028-01-11in 425d GA
gpt-6.1-terra (2026-10-26) Cost → Audit →
Docs ↗
gpt-5.4-cyber OpenAI RETIRED 2026-10-0142d ago Retired
The most capable cyber model available to you. Cost → Audit →
Docs ↗
gpt-5.2-chat-latest OpenAI RETIRED 2026-08-1094d ago Retired
gpt-5.6-sol Cost → Audit →
Docs ↗
gpt-5.3-chat-latest OpenAI RETIRED 2026-08-1094d ago Retired
gpt-5.6-sol Cost → Audit →
Docs ↗
gpt-5-chat-latest OpenAI RETIRED 2026-07-23112d ago Retired
gpt-5.6-sol Cost → Audit →
Docs ↗
gpt-5-codex OpenAI RETIRED 2026-07-23112d ago Retired
gpt-5.6-sol Cost → Audit →
Docs ↗
gpt-5.1-chat-latest OpenAI RETIRED 2026-07-23112d ago Retired
gpt-5.6-sol Cost → Audit →
Docs ↗
gpt-5.1-codex OpenAI RETIRED 2026-07-23112d ago Retired
gpt-5.6-sol Cost → Audit →
Docs ↗
gpt-5.1-codex-max OpenAI RETIRED 2026-07-23112d ago Retired
gpt-5.6-sol Cost → Audit →
Docs ↗
gpt-5.1-codex-mini OpenAI RETIRED 2026-07-23112d ago Retired
gpt-5.6-terra Cost → Audit →
Docs ↗
gpt-5.2-codex OpenAI RETIRED 2026-07-23112d ago Retired
gpt-5.6-sol Cost → Audit →
Docs ↗
gpt-5-chat (2025-08-07) Azure OpenAI RETIRED 2026-06-29136d ago Retired
gpt-chat-latest Cost → Audit →
Docs ↗
gpt-5.1-chat (2025-11-13) Azure OpenAI RETIRED 2026-06-29136d ago Retired
gpt-chat-latest Cost → Audit →
Docs ↗
gpt-5.2-chat (2026-02-10) Azure OpenAI RETIRED 2026-06-29136d ago Retired
gpt-chat-latest Cost → Audit →
Docs ↗
gpt-5.3-chat (2026-03-03) Azure OpenAI RETIRED 2026-06-29136d ago Retired
gpt-chat-latest Cost → Audit →
Docs ↗
gpt-5-chat (2025-10-03) Azure OpenAI RETIRED 2026-05-13183d ago Retired
gpt-chat-latest Cost → Audit →
Docs ↗
gpt-5.2-chat (2025-12-11) Azure OpenAI RETIRED 2026-05-13183d ago Retired
gpt-chat-latest Cost → Audit →
Docs ↗
openai.gpt-5.4 AWS Bedrock(OpenAI) ACTIVE No EOL Active — —
openai.gpt-5.5 AWS Bedrock(OpenAI) ACTIVE No EOL Active — —
openai.gpt-5.6-cyber AWS Bedrock(OpenAI) ACTIVE No EOL Active — —
openai.gpt-5.6-luna AWS Bedrock(OpenAI) ACTIVE No EOL Active — —
openai.gpt-5.6-sol AWS Bedrock(OpenAI) ACTIVE No EOL Active — —
openai.gpt-5.6-terra AWS Bedrock(OpenAI) ACTIVE No EOL Active — —
gpt-5-codex (2025-09-11) Azure OpenAI ACTIVE No EOL Supported — —

3. Production Migration Checklist (gpt-5-2025-08-07 → gpt-5.6-sol)

Follow this deterministic engineering sequence before retiring pinned snapshots in production services and SDK clients:

  1. Inventory pinned model IDs: Search repositories and deployment manifests for OPENAI_MODEL, openai/ LiteLLM routes, and dated snapshot strings in the GPT-5, GPT-5.1 – GPT-5.5 & Codex family (34 deprecated, 16 retired, 7 active variants tracked).
  2. Benchmark successor quality & token pricing: Validate structured output schemas, tool-calling payloads, and latency against gpt-5.6-sol, then compare input, output, and cached token rates in DevToken.
  3. Enforce keyless CI guardrails: Wire RSS, Atom, iCal feeds & CI Guard into pull-request checks so retired or deprecated GPT-5, GPT-5.1 – GPT-5.5 & Codex identifiers cannot re-enter production.

Compare sibling model families or inspect full provider-level schedules across every ecosystem hosting this family:

5. GPT-5, GPT-5.1 – GPT-5.5 & Codex Deprecation & Upgrade FAQ

Is GPT-5, GPT-5.1 – GPT-5.5 & Codex deprecated or retired across OpenAI, AWS Bedrock, Azure OpenAI?

LLMEOL tracks 57 GPT-5, GPT-5.1 – GPT-5.5 & Codex variants across OpenAI, AWS Bedrock, Azure OpenAI: 34 deprecated with scheduled shutdowns, 16 retired past their UTC EOL date, and 7 active with no announced shutdown date. Check the cross-ecosystem matrix above for exact snapshot dates.

What is the recommended replacement model when migrating off gpt-5-2025-08-07?

The primary recommended upgrade target for gpt-5-2025-08-07 is gpt-5.6-sol. Always test prompt formatting, max output tokens, and tool schemas on gpt-5.6-sol, and compare token pricing in DevToken before switching production traffic.

How can I replace gpt-5-2025-08-07 in .env and LiteLLM configs safely?

Paste your OPENAI_MODEL assignment or LiteLLM model block into the Quick Replacement Matcher on this page to generate an exact diff, or open the full Local Model Config Auditor to scan multi-service manifests with zero network upload.