NOT DEPRECATED
Served by the provider's own endpoint (anthropic). No retirement date announced.
state=alive sunset=none days_remaining=n/a severity=low sources=anthropic,litellm evidence_tier=endpoint confirmed_by_endpoint=anthropic documented_by_provider=false replacement=none corroborated=yes divergent_fields=none checked=2026-09-30 15:40Z
anthropic/claude-opus-4-5-20251101
Vendor: anthropic. Tracked by 2 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| anthropic native | claude-opus-4-5-20251101 | 200,000 | 64,000 | — | — | — |
| litellm | anthropic.claude-opus-4-5-20251101-v1:0 | 200,000 | 64,000 | $5 | $25 | — |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| info | repriced | anthropic.claude-opus-4-5-20251101-v1:0: input_price_per_mtok $5.50/Mtok to $5.00/Mtok | 2026-09-24 |
| info | repriced | anthropic.claude-opus-4-5-20251101-v1:0: output_price_per_mtok $27.50/Mtok to $25.00/Mtok | 2026-09-24 |
| info | repriced | anthropic.claude-opus-4-5-20251101-v1:0: cache_read_price_per_mtok $0.55/Mtok to $0.50/Mtok | 2026-09-24 |
| low | repriced | anthropic.claude-opus-4-5-20251101-v1:0: input_price_per_mtok $5.00/Mtok to $5.50/Mtok | 2026-09-24 |
| low | repriced | anthropic.claude-opus-4-5-20251101-v1:0: output_price_per_mtok $25.00/Mtok to $27.50/Mtok | 2026-09-24 |
| low | repriced | anthropic.claude-opus-4-5-20251101-v1:0: cache_read_price_per_mtok $0.50/Mtok to $0.55/Mtok | 2026-09-24 |
| low | repriced | eu.anthropic.claude-opus-4-5-20251101-v1:0: input_price_per_mtok $5.00/Mtok to $5.50/Mtok | 2026-09-23 |
| low | repriced | eu.anthropic.claude-opus-4-5-20251101-v1:0: output_price_per_mtok $25.00/Mtok to $27.50/Mtok | 2026-09-23 |
| low | repriced | eu.anthropic.claude-opus-4-5-20251101-v1:0: cache_read_price_per_mtok $0.50/Mtok to $0.55/Mtok | 2026-09-23 |
| low | modified | claude-opus-4-5-20251101: capabilities gained thinking_cache_preservation | 2026-09-20 |
| medium | deprecated | claude-opus-4-5-20251101: deprecation announced for 2026-11-24 — in 95 days | 2026-08-21 |
| medium | deprecated | claude-opus-4-5-20251101: retires 2026-11-24 (in 95 days) | 2026-08-21 |
| low | modified | anthropic.claude-opus-4-5-20251101-v1:0: capabilities gained tool_search | 2026-08-12 |
| low | modified | eu.anthropic.claude-opus-4-5-20251101-v1:0: capabilities gained tool_search | 2026-08-12 |
| low | modified | global.anthropic.claude-opus-4-5-20251101-v1:0: capabilities gained tool_search | 2026-08-12 |
| low | modified | us.anthropic.claude-opus-4-5-20251101-v1:0: capabilities gained tool_search | 2026-08-12 |
| low | modified | claude-opus-4-5-20251101: capabilities gained native_structured_output | 2026-07-14 |
| low | modified | anthropic.claude-opus-4-5-20251101-v1:0: capabilities gained parallel_tool_use_config | 2026-07-02 |
| low | modified | eu.anthropic.claude-opus-4-5-20251101-v1:0: capabilities gained parallel_tool_use_config | 2026-07-02 |
| low | modified | global.anthropic.claude-opus-4-5-20251101-v1:0: capabilities gained parallel_tool_use_config | 2026-07-02 |
| low | modified | us.anthropic.claude-opus-4-5-20251101-v1:0: capabilities gained parallel_tool_use_config | 2026-07-02 |
| info | modified | [source artifact — 5 providers changed identically on the same day] claude-opus-4-5-20251101: capabilities lost minimal_reasoning_effort | 2026-05-29 |
| info | modified | [source artifact — 5 providers changed identically on the same day] anthropic.claude-opus-4-5-20251101-v1:0: capabilities lost minimal_reasoning_effort | 2026-05-29 |
| info | modified | [source artifact — 5 providers changed identically on the same day] eu.anthropic.claude-opus-4-5-20251101-v1:0: capabilities lost minimal_reasoning_effort | 2026-05-29 |
| info | modified | [source artifact — 5 providers changed identically on the same day] global.anthropic.claude-opus-4-5-20251101-v1:0: capabilities lost minimal_reasoning_effort | 2026-05-29 |
| info | modified | [source artifact — 5 providers changed identically on the same day] us.anthropic.claude-opus-4-5-20251101-v1:0: capabilities lost minimal_reasoning_effort | 2026-05-29 |
| low | modified | claude-opus-4-5-20251101: capabilities gained output_config | 2026-05-28 |
| low | modified | anthropic.claude-opus-4-5-20251101-v1:0: capabilities gained output_config | 2026-05-28 |
| low | modified | eu.anthropic.claude-opus-4-5-20251101-v1:0: capabilities gained output_config | 2026-05-28 |
| low | modified | global.anthropic.claude-opus-4-5-20251101-v1:0: capabilities gained output_config | 2026-05-28 |
| low | modified | us.anthropic.claude-opus-4-5-20251101-v1:0: capabilities gained output_config | 2026-05-28 |