Claude Sonnet 4
Provider: Anthropic
Deprecated April 14, 2026. Scheduled for retirement June 15, 2026. 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
$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-sonnet-4-20250514&q%5Bsource_api_eq%5D=anthropic"Pricing History
| Effective | Price |
|---|---|
| Feb 23, 2026 – 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 July 13, 2026 (about 2 months ago) by an automated scan.
No history recorded yet.
Source
https://www.anthropic.com/pricingComparable models
No comparable models identified yet.
Reliability
No reliability incidents recorded in the last 90 days.
Frequently asked questions
Claude Sonnet 4 (Anthropic) costs $3.00 per 1M input tokens and $15.00 per 1M output tokens, as last published by Anthropic.
Yes — Anthropic deprecated Claude Sonnet 4 on July 13, 2026. Deprecated April 14, 2026. Scheduled for retirement June 15, 2026. Replacement: claude-sonnet-4-6.
Anthropic retired Claude Sonnet 4 on July 13, 2026.
Since Claude Sonnet 4 is deprecated, Anthropic customers are moving to Claude Fable 5, Claude Fable 5.1, and Claude Haiku 4.5.
Call GET https://coolhandlabs.com/api/v2/inference_apis?q[source_api_eq]=anthropic&q[model_eq]=claude-sonnet-4-20250514 — 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.
Coolhand also tracks Claude Opus 4, Claude Opus 4.1, Claude Fable 5, Claude Fable 5.1, Claude Haiku 4.5, and Claude Haiku 4.5 from Anthropic. Some may already be deprecated, so check each model's status alongside its current pricing.
| Model | Input cost | Output cost | Status |
|---|---|---|---|
| Claude Opus 4 | $15.00/1M $0.0000150000 | $75.00/1M $0.0000750000 |
Deprecated Jul 13, 2026
|
| Claude Opus 4.1 | $15.00/1M $0.0000150000 | $75.00/1M $0.0000750000 |
Deprecated Jul 13, 2026
|
| Claude Fable 5 | $10.00/1M $0.0000100000 | $50.00/1M $0.0000500000 | Active |
| Claude Fable 5.1 | $10.00/1M $0.0000100000 | $50.00/1M $0.0000500000 | Active |
| Claude Haiku 4.5 | $1.00/1M $0.0000010000 | $5.00/1M $0.0000050000 | Active |
| Claude Haiku 4.5 | $1.00/1M $0.0000010000 | $5.00/1M $0.0000050000 | Active |
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