RETIRING IN 3 DAYS
Sunset scheduled for 2026-08-05, published in the provider's own documentation. The provider names claude-opus-4-8 as the replacement. The identifier still resolves today.
state=dying sunset=2026-08-05 days_remaining=3 severity=critical sources=anthropic,docs,litellm evidence_tier=endpoint confirmed_by_endpoint=anthropic documented_by_provider=docs replacement=claude-opus-4-8 corroborated=yes divergent_fields=none checked=2026-08-02 01:41Z
anthropic/claude-opus-4-1-20250805
Vendor: anthropic. Tracked by 3 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| anthropic native | claude-opus-4-1-20250805 | 200,000 | 32,000 | — | — | — |
| docs | claude-opus-4-1-20250805 | — | — | — | — | 2026-08-05 |
| litellm | claude-opus-4-1-20250805 | 200,000 | 32,000 | $15 | $75 | 2026-08-05 |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| critical | deprecated | claude-opus-4-1-20250805: retires 2026-08-05 (in 4 days) | 2026-08-01 |
| low | added | new model claude-opus-4-1-20250805 | 2026-08-01 |
| info | removed | [contradicted — the provider's own endpoint (anthropic) still lists it] claude-opus-4-1-20250805 is no longer listed by this source — calls to it are expected to fail | 2026-08-01 |
| low | modified | claude-opus-4-1-20250805: capabilities gained native_structured_output | 2026-07-14 |