Claude 1 Retired
Claude 1 is a model from Anthropic, listed under Language models. It was released in March 2023. It was retired on Nov 6, 2024 and can no longer be called. Anthropic points to Claude Haiku 4.5 as its replacement.
No longer available. Shown for reference with its last published price.
Recommended replacement: Claude Haiku 4.5
- Headline price
- No data
- Retired
- Nov 6, 2024
Current prices
No public API price
This model is distributed as open weights. Running cost depends on your own hardware.
Price history
No price change recorded for this model yet.
Alternatives
Same category, closest price, other providers first.
More from Anthropic
| # | Model | Input | Output | Context | Released | Capabilities | Price change |
|---|---|---|---|---|---|---|---|
| 1 |
Claude Fable 5.1
Anthropic
|
$10.00 | $50.00 | 1M | September 2026 | VisionReasoningTool calling | |
| 2 |
Claude Opus 5.5
Anthropic
|
$4.00 | $20.00 | 1M | September 2026 | VisionReasoningTool calling | |
| 3 |
Claude Sonnet 5.5
Anthropic
|
$2.00 | $10.00 | 1M | September 2026 | VisionReasoningTool calling | |
| 4 |
Claude Haiku 5.5
Anthropic
|
$0.10 | $0.50 | 1M | October 2026 | VisionReasoningTool calling | |
| 5 |
Claude Mythos 5.1
Limited access
Anthropic
|
$10.00 | $50.00 | 1M | September 2026 | VisionReasoningTool calling |
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Frequently asked questions
Is Claude 1 still available?
No. Claude 1 has been retired and can no longer be called. It was retired on Nov 6, 2024 and can no longer be called. Anthropic points to Claude Haiku 4.5 as its replacement.
When was Claude 1 released?
Claude 1 was released in March 2023.
What is the API model ID for Claude 1?
Use claude-1.3 when calling the Anthropic API.
What are the alternatives to Claude 1?
Models in the same category at a similar price include Aya Expanse 32B (Cohere), Command R7B (Cohere), Aya Vision 32B (Cohere) and Command A (Cohere).