Calendar
What is about to change
Price changes and retirements that providers have already announced, with dates. This is the part that costs money if you miss it.
Announced price changes
| Model | Effective | Input | Output | Change |
|---|---|---|---|---|
| Claude Sonnet 5
Anthropic |
1 September 2026
25 days |
$2 → $3 | $10 → $15 | +50% |
Retirement dates ahead
No dated shutdowns on file. Providers often announce these with little notice — that is exactly what the alerts are for.
Already deprecated or retired
5 models. If you are still calling one of these, you are on borrowed time.
| Model | Provider | Status | Notes |
|---|---|---|---|
| Claude Opus 4.1
claude-opus-4-1 |
Anthropic | retired | Retired on the Claude API; still available on Amazon Bedrock and Google Cloud. |
| Claude Opus 4
claude-opus-4 |
Anthropic | retired | Retired on the Claude API; still available on Google Cloud. |
| Claude Sonnet 4
claude-sonnet-4 |
Anthropic | retired | Retired on the Claude API; still available on Amazon Bedrock and Google Cloud. |
| Claude Haiku 3.5
claude-haiku-3-5 |
Anthropic | retired | Retired on the Claude API; still available on Amazon Bedrock and Google Cloud. |
| GPT-3.5 Turbo
gpt-3.5-turbo |
OpenAI | retired |