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Models / Anthropic

Claude Sonnet 3.7

Retired

RETIRED February 19, 2026 (deprecated October 28, 2025). Recommended replacement claude-sonnet-4-6. API ID claude-3-7-sonnet-20250219. No longer listed in the current pricing table -> per-model prices null (not corroborated on current pricing page). Snapshot 20250219 implies Feb 19, 2025 release.

Claude Sonnet 3.7 by Anthropic is tracked live in our LLM catalog. It has been retired (shut down 19 Feb 2026); the recommended migration is Claude Sonnet 4.6.

Last verified: 26 Sep 2026 · sourced from official provider documentation

Retired on 19 Feb 2026 · deprecated since 28 Oct 2025

Lifecycle warning

This model has been retired. Recommended migration: Claude Sonnet 4.6.

Read the Claude Sonnet 3.7 migration guide → replacement & cheapest alternatives

Provider
Anthropic
Status
Retired
Input price
—
Output price
—
Cached input
—
Blended price
—
Context window
—
Max output
—
Modality
text, image, vision
Open weights
No — API only
Knowledge cutoff
—
Released
—
API string
claude-3-7-sonnet-20250219

Source: Anthropic official documentation ↗

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FAQ

Claude Sonnet 3.7 — questions & answers

Is Claude Sonnet 3.7 still available?

Claude Sonnet 3.7 has been retired and is no longer available. Its scheduled shutdown date is 19 Feb 2026. The recommended migration is Claude Sonnet 4.6.

Does Claude Sonnet 3.7 support image or vision input?

Yes — Claude Sonnet 3.7 accepts image input. Listed modalities: text, image, vision.

Can I self-host Claude Sonnet 3.7?

No — Claude Sonnet 3.7 is proprietary. Its weights are not publicly released, so it is available only through Anthropic's API (or hosted partners), not for self-hosting.

What is the API model string for Claude Sonnet 3.7?

The API model identifier for Claude Sonnet 3.7 is "claude-3-7-sonnet-20250219" when calling Anthropic's API.