Claude 3 Sonnet
anthropic The API that serves this model and sets the prices shown here. claude-3-sonnet-20240229 The model identifier to send in API requests. LLM Generates text from a prompt, so it can be compared with other LLMs on price and capability. Medium The balanced tier of a model family, trading some capability for speed and cost. Retired Apr 27, 2026 This model has been retired and can no longer be relied on.Provider:
Deprecated and retired July 21, 2025. Replacement: claude-sonnet-4-6.
Sticker prices & cost-per-token
List rates as published by Anthropic, before any volume or enterprise discounts.
$3.00
$15.00
Closed weights
$1.50 / $7.50
Get this data free
Want to stay updated on price changes on this model? Pull this data free (no API key required) here:
curl "https://coolhandlabs.com/api/v2/inference_apis?q%5Bmodel_eq%5D=claude-3-sonnet-20240229&q%5Bsource_api_eq%5D=anthropic"Pricing History
| Effective | Price |
|---|---|
| Nov 24, 2025 – present | Input cost: $3.00 / 1M, Output cost: $15.00 / 1M, Batch input cost: $1.50 / 1M, Batch output cost: $7.50 / 1M, Cached input cost: $0.00 / 1M, Cache creation cost: $0.00 / 1M, 5-minute cache write cost: $0.00 / 1M, 1-hour cache write cost: $0.00 / 1M, Reasoning output cost: $0.00 / 1M, Cache storage cost: $0.00 / 1M/hr |
History
Last change detected April 27, 2026 (6 months ago) by an automated scan.
No history recorded yet.
Source
No source URL recorded for this record yet.
Comparable models
No comparable models identified yet.
Reliability
No reliability incidents recorded in the last 90 days.
Frequently asked questions
Claude 3 Sonnet (Anthropic) costs $3.00 per 1M input tokens and $15.00 per 1M output tokens, as last published by Anthropic.
Claude 3 Sonnet sits in the medium size tier. Size tiers run from micro (small enough to run on a device) through small, medium and large to extra large (frontier flagships), and are assigned from the model's family, naming and limits rather than its price.
No — the weights of Claude 3 Sonnet have not been released, so it is only available through hosted APIs.
Yes — deprecated Claude 3 Sonnet on April 27, 2026. Deprecated and retired July 21, 2025. Replacement: claude-sonnet-4-6.
retired Claude 3 Sonnet on April 27, 2026.
Call GET https://coolhandlabs.com/api/v2/inference_apis?q[source_api_eq]=anthropic&q[model_eq]=claude-3-sonnet-20240229 — free, no API key required, and scoped to just this model since source_api and model together are unique. See https://coolhandlabs.com/docs for the full REST API reference.
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