Announced API price changes and model retirement dates, verified against official provider documentation. https://tokengauge.dev/ 2026-08-18T00:00:00Z TokenGauge https://tokengauge.dev/price-changes/#google-2027-01-01 2027-01-01T00:00:00Z

The Google pricing page states current rates are valid only through 2026-12-31 and double on 2027-01-01: input rises from $0.75 to $1.50 and output from $3.75 to $7.50 per million tokens. Any cost model built on current Flash pricing needs revisiting before year end. Affected models: Gemini 3.7 Flash, Gemini 3.6 Flash.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-gpt-image-1-mini 2026-12-01T00:00:00Z

gpt-image-1-mini (gpt-image-1-mini) stops working on 2026-12-01. The official replacement is gpt-image-2. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-gpt-image-1.5 2026-12-01T00:00:00Z

gpt-image-1.5 (gpt-image-1.5) stops working on 2026-12-01. The official replacement is gpt-image-2. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-gpt-3.5-turbo-0125 2026-10-23T00:00:00Z

GPT-3.5 Turbo 0125 (gpt-3.5-turbo-0125) stops working on 2026-10-23. The official replacement is gpt-5.6-terra. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-gpt-4-0613 2026-10-23T00:00:00Z

GPT-4 0613 (gpt-4-0613) stops working on 2026-10-23. The official replacement is gpt-5.6-sol. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-gpt-4-1106-preview 2026-10-23T00:00:00Z

GPT-4 1106 preview (gpt-4-1106-preview) stops working on 2026-10-23. The official replacement is gpt-5.6-sol. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-gpt-4-turbo 2026-10-23T00:00:00Z

GPT-4 Turbo (gpt-4-turbo) stops working on 2026-10-23. The official replacement is gpt-5.6-sol. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-gpt-4.1-nano 2026-10-23T00:00:00Z

GPT-4.1 nano (gpt-4.1-nano) stops working on 2026-10-23. The official replacement is gpt-5.6-luna. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-gpt-4o-2024-05-13 2026-10-23T00:00:00Z

GPT-4o (2024-05-13) (gpt-4o-2024-05-13) stops working on 2026-10-23. The official replacement is gpt-5.6-sol. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-o1-2024-12-17 2026-10-23T00:00:00Z

o1 (o1-2024-12-17) stops working on 2026-10-23. The official replacement is gpt-5.6-sol. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-o1-pro-2025-03-19 2026-10-23T00:00:00Z

o1-pro (o1-pro-2025-03-19) stops working on 2026-10-23. The official replacement is gpt-5.6-sol. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-o3-mini-2025-01-31 2026-10-23T00:00:00Z

o3-mini (o3-mini-2025-01-31) stops working on 2026-10-23. The official replacement is gpt-5.6-sol. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-o4-mini-2025-04-16 2026-10-23T00:00:00Z

o4-mini (o4-mini-2025-04-16) stops working on 2026-10-23. The official replacement is gpt-5.6-terra. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-gpt-image-1 2026-10-23T00:00:00Z

gpt-image-1 (gpt-image-1) stops working on 2026-10-23. The official replacement is gpt-image-2. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-gpt-3.5-turbo-instruct 2026-09-28T00:00:00Z

GPT-3.5 Turbo Instruct (gpt-3.5-turbo-instruct) stops working on 2026-09-28. The official replacement is gpt-5.6-terra. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-gpt-3.5-turbo-1106 2026-09-28T00:00:00Z

GPT-3.5 Turbo 1106 (gpt-3.5-turbo-1106) stops working on 2026-09-28. The official replacement is gpt-5.6-terra. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-babbage-002 2026-09-28T00:00:00Z

babbage-002 (babbage-002) stops working on 2026-09-28. The official replacement is gpt-5.6-terra. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-davinci-002 2026-09-28T00:00:00Z

davinci-002 (davinci-002) stops working on 2026-09-28. The official replacement is gpt-5.6-terra. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-sora-2 2026-09-24T00:00:00Z

Sora 2 (sora-2) stops working on 2026-09-24. No replacement has been announced. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/tools/model-deprecation-tracker/#openai-sora-2-pro 2026-09-24T00:00:00Z

Sora 2 Pro (sora-2-pro) stops working on 2026-09-24. No replacement has been announced. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/price-changes/#anthropic-2026-08-31 2026-08-31T00:00:00Z

The $2/$10 rate was announced as introductory pricing through 2026-08-31, with a rise to $3/$15 scheduled for 2026-09-01. Anthropic has since confirmed that increase will not happen and $2/$10 is now standard. Teams that budgeted for $3/$15 can revise downward. Affected models: Claude Sonnet 5.

https://tokengauge.dev/tools/model-deprecation-tracker/#google-gemini-robotics-er-1.6-preview 2026-08-31T00:00:00Z

Gemini Robotics ER 1.6 preview (gemini-robotics-er-1.6-preview) stops working on 2026-08-31. The official replacement is gemini-robotics-er-2-preview. Calls to a retired model fail outright; there is no fallback to a newer model.

https://tokengauge.dev/price-changes/#deepseek-2026-08-16 2026-08-16T00:00:00Z

V4 Flash output went from a flat $0.28 per million tokens to $1.32 at peak and $0.66 off-peak. V4 Pro output went from $0.87 to $3.96 peak and $1.98 off-peak. Peak hours are 01:00-04:00 and 06:00-10:00 UTC; every other hour bills at half the peak rate. Measured at peak, output pricing rose 4.7x; even off-peak it rose 1.4x. Affected models: DeepSeek V4 Flash, DeepSeek V4 Pro.