https://codeagentradar.com/Announced price increases, retirements, and other dated changes.https://github.blog/changelog/2026-10-15-upcoming-deprecation-of-selected-github-copilot-models-in-mid-novemberMon, 16 Nov 2026 00:00:00 GMTCopilot removes Claude Opus 4.8, Claude Opus 5, and GPT-5.6 Terra; Opus 4.8 stays on individual annual plans.https://platform.claude.com/docs/en/build-with-claude/fast-modeMon, 30 Nov 2026 00:00:00 GMTFast mode for Claude Opus 4.8 is removed, so fast requests to Opus 4.8 return an error; Opus 5.5 supports fast mode.https://platform.claude.com/docs/en/about-claude/model-deprecationsMon, 30 Nov 2026 00:00:00 GMTClaude Sonnet 4.5 is retired from the Claude API; the recommended replacement is Claude Sonnet 5.5.https://developers.openai.com/api/docs/pricingMon, 30 Nov 2026 00:00:00 GMTPromotional API pricing for GPT-5.6 Sol is available until November 30, 2026.https://ai.google.dev/gemini-api/docs/deprecationsTue, 01 Dec 2026 00:00:00 GMTGemini API requests to Gemini 2.5 Flash are routed to Gemini 3.5 Flash-Lite and billed at Gemini 3.5 Flash-Lite rates.https://ai.google.dev/gemini-api/docs/deprecationsTue, 01 Dec 2026 00:00:00 GMTGemini API requests to Gemini 2.5 Pro are routed to Gemini 3.8 Flash and billed at Gemini 3.8 Flash rates.https://ai.google.dev/gemini-api/docs/pricingTue, 01 Dec 2026 00:00:00 GMTGemini 4 Argon standard API prices double: input $2.00 to $4.00 and output $10.00 to $20.00 per 1M tokens.https://ai.google.dev/gemini-api/docs/pricingFri, 01 Jan 2027 00:00:00 GMTGemini 3.6 Flash standard API prices double: input $0.75 to $1.50 and output $3.75 to $7.50 per 1M tokens.https://ai.google.dev/gemini-api/docs/pricingFri, 01 Jan 2027 00:00:00 GMTGemini 3.8 Flash standard API prices double: input $0.75 to $1.50 and output $3.75 to $7.50 per 1M tokens.https://developers.openai.com/api/docs/deprecationsThu, 14 Jan 2027 00:00:00 GMTGPT-4o, GPT-4o mini, GPT-4.1, and GPT-4.1 mini snapshots are removed from the API; the replacement is GPT-6 Luna.https://developers.google.com/gemini-code-assist/docs/deprecationsSun, 31 Jan 2027 00:00:00 GMTAdditional licenses for Gemini Code Assist Standard and Enterprise can no longer be bought after January 31, 2027.https://developers.google.com/gemini-code-assist/docs/deprecationsSun, 31 Jan 2027 00:00:00 GMTAnnual Gemini Code Assist Standard and Enterprise subscriptions can no longer be renewed after January 31, 2027.https://developers.openai.com/api/docs/deprecationsMon, 01 Feb 2027 00:00:00 GMTThe GPT-5.5-Cyber preview model is removed from the API.https://developers.openai.com/api/docs/deprecationsThu, 01 Apr 2027 00:00:00 GMTGPT-5.3-Codex, GPT-5.1, and GPT-5.4 nano are removed from the API; replacements are GPT-6 Sol or GPT-6 Luna.https://docs.mistral.ai/modelsFri, 30 Apr 2027 00:00:00 GMTMistral Large 3 is retired from the Mistral API; the listed alternative is Mistral Large 4.https://docs.mistral.ai/modelsFri, 30 Apr 2027 00:00:00 GMTMistral Medium 3.5 is retired from the Mistral API; the listed alternative is Mistral Large 4.https://ai.google.dev/gemini-api/docs/deprecationsFri, 07 May 2027 00:00:00 GMTGemini 3.1 Flash-Lite shuts down on the Gemini API; the recommended replacement is Gemini 3.5 Flash-Lite.https://developers.google.com/gemini-code-assist/docs/deprecationsFri, 31 Dec 2027 00:00:00 GMTMonthly Gemini Code Assist Standard and Enterprise subscriptions can no longer be renewed after December 31, 2027.