Anthropic deprecated models
Every Anthropic model we track, split by where it is in its life: what is shutting down and when, what has already gone, and what is still safe to build on. 31 models, current as of August 3, 2026.
Shutting down
Announced shutdown dates, soonest first. These still answer requests until the date lands.
| Model | Status | Shutdown | Replacement |
|---|---|---|---|
|
Claude Opus 4.1
claude-opus-4-1-20250805
|
Deprecated |
August 5, 2026
in 2 days
|
claude-opus-4-8 |
|
Claude Sonnet 4.5
claude-sonnet-4-5-20250929
|
Shutdown scheduled |
September 29, 2026 (earliest)
in 57 days
|
— |
|
Claude Haiku 4.5
claude-haiku-4-5-20251001
|
Shutdown scheduled |
October 15, 2026 (earliest)
in 73 days
|
— |
|
Claude Opus 4.5
claude-opus-4-5-20251101
|
Shutdown scheduled |
November 24, 2026 (earliest)
in 113 days
|
— |
|
Claude Opus 4.6
claude-opus-4-6
|
Shutdown scheduled |
February 5, 2027 (earliest)
in 186 days
|
— |
|
Claude Sonnet 4.6
claude-sonnet-4-6
|
Shutdown scheduled |
February 17, 2027 (earliest)
in 198 days
|
— |
|
Claude Opus 4.7
claude-opus-4-7
|
Shutdown scheduled |
April 16, 2027 (earliest)
in 256 days
|
— |
|
Claude Opus 4.8
claude-opus-4-8
|
Shutdown scheduled |
May 28, 2027 (earliest)
in 298 days
|
— |
|
Claude Fable 5
claude-fable-5
|
Shutdown scheduled |
June 9, 2027 (earliest)
in 310 days
|
— |
|
Claude Sonnet 5
claude-sonnet-5
|
Shutdown scheduled |
June 30, 2027 (earliest)
in 331 days
|
— |
|
Claude Opus 5
claude-opus-5
|
Shutdown scheduled |
July 24, 2027 (earliest)
in 355 days
|
— |
Deprecated, date unconfirmed
Deprecated with no shutdown date published. Treat them as at risk.
| Model | Status | Shutdown | Replacement |
|---|---|---|---|
|
Claude Mythos Preview
claude-mythos-preview
|
Deprecated | date unconfirmed | claude-mythos-5 |
Retired
Already removed. Requests to these models fail.
| Model | Status | Shutdown | Replacement |
|---|---|---|---|
|
Claude Opus 4
claude-opus-4-20250514
|
Retired |
June 15, 2026
49 days ago
|
claude-opus-4-8 |
|
Claude Sonnet 4
claude-sonnet-4-20250514
|
Retired |
June 15, 2026
49 days ago
|
claude-sonnet-4-6 |
|
Claude Haiku 3
claude-3-haiku-20240307
|
Retired |
April 20, 2026
105 days ago
|
claude-haiku-4-5-20251001 |
|
Claude Haiku 3.5
claude-3-5-haiku-20241022
|
Retired |
February 19, 2026
165 days ago
|
claude-haiku-4-5-20251001 |
|
Claude Sonnet 3.7
claude-3-7-sonnet-20250219
|
Retired |
February 19, 2026
165 days ago
|
claude-sonnet-4-6 |
|
Claude Opus 3
claude-3-opus-20240229
|
Retired |
January 5, 2026
210 days ago
|
claude-opus-4-8 |
|
Claude Sonnet 3.5
claude-3-5-sonnet-20240620
|
Retired |
October 28, 2025
279 days ago
|
claude-sonnet-4-6 |
|
Claude Sonnet 3.5 v2
claude-3-5-sonnet-20241022
|
Retired |
October 28, 2025
279 days ago
|
claude-sonnet-4-6 |
|
Claude 2
claude-2.0
|
Retired |
July 21, 2025
378 days ago
|
claude-opus-4-8 |
|
Claude 2.1
claude-2.1
|
Retired |
July 21, 2025
378 days ago
|
claude-opus-4-8 |
|
Claude Sonnet 3
claude-3-sonnet-20240229
|
Retired |
July 21, 2025
378 days ago
|
claude-sonnet-4-6 |
|
Claude 1.0
claude-1.0
|
Retired |
November 6, 2024
635 days ago
|
claude-haiku-4-5-20251001 |
|
Claude 1.1
claude-1.1
|
Retired |
November 6, 2024
635 days ago
|
claude-haiku-4-5-20251001 |
|
Claude 1.2
claude-1.2
|
Retired |
November 6, 2024
635 days ago
|
claude-haiku-4-5-20251001 |
|
Claude 1.3
claude-1.3
|
Retired |
November 6, 2024
635 days ago
|
claude-haiku-4-5-20251001 |
|
Claude Instant 1.0
claude-instant-1.0
|
Retired |
November 6, 2024
635 days ago
|
claude-haiku-4-5-20251001 |
|
Claude Instant 1.1
claude-instant-1.1
|
Retired |
November 6, 2024
635 days ago
|
claude-haiku-4-5-20251001 |
|
Claude Instant 1.2
claude-instant-1.2
|
Retired |
November 6, 2024
635 days ago
|
claude-haiku-4-5-20251001 |
Active
No deprecation and no shutdown date announced as of the last check.
| Model | Status | Shutdown | Replacement |
|---|---|---|---|
|
Claude Mythos 5
claude-mythos-5
|
Active | — | — |
Keep up with Anthropic deprecations
Shutdown dates land with months of notice and then arrive all at once. Subscribe to the calendar and they show up alongside everything else you plan around.