NOT DEPRECATED
Listed by litellm, openrouter. No retirement date announced. Neither the provider's API nor its documentation has been checked for this model. Sources disagree on: context_tokens, max_output_tokens.
state=alive sunset=none days_remaining=n/a severity=low sources=litellm,openrouter evidence_tier=catalog confirmed_by_endpoint=false documented_by_provider=false replacement=none corroborated=yes divergent_fields=context_tokens,max_output_tokens checked=2026-09-30 15:40Z
anthropic/claude-sonnet-4
Vendor: anthropic. Tracked by 2 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| litellm | github_copilot/claude-sonnet-4 | 128,000 | 16,000 | $3 | $15 | — |
| openrouter | anthropic/claude-sonnet-4 | 200,000 | 64,000 | $3 | $15 | — |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| info | repriced | github_copilot/claude-sonnet-4: input_price_per_mtok n/a to $3.00/Mtok | 2026-09-29 |
| info | repriced | github_copilot/claude-sonnet-4: output_price_per_mtok n/a to $15.00/Mtok | 2026-09-29 |
| info | repriced | github_copilot/claude-sonnet-4: cache_read_price_per_mtok n/a to $0.30/Mtok | 2026-09-29 |
| medium | removed | [one catalog only — litellm, openrouter still list it] vertex_ai/claude-sonnet-4 is no longer listed by this source — calls to it are expected to fail | 2026-09-23 |
| medium | removed | [one catalog only — litellm, openrouter still list it] vertex_ai/claude-sonnet-4@20250514 is no longer listed by this source — calls to it are expected to fail | 2026-09-23 |
| high | modified | openrouter/anthropic/claude-sonnet-4: context_tokens cut 1,000,000 to 200,000 | 2026-09-21 |
| high | modified | anthropic/claude-sonnet-4: context_tokens cut 1,000,000 to 200,000 | 2026-09-21 |
| low | modified | openrouter/anthropic/claude-sonnet-4: capabilities gained web_search | 2026-09-19 |
| low | modified | openrouter/anthropic/claude-sonnet-4: capabilities gained pdf_input | 2026-09-18 |
| info | deprecated | vertex_ai/claude-sonnet-4: deprecation announced for 2026-05-14 (date already passed) | 2026-08-21 |
| info | deprecated | vertex_ai/claude-sonnet-4@20250514: deprecation announced for 2026-05-14 (date already passed) | 2026-08-21 |
| info | deprecated | vertex_ai/claude-sonnet-4: retires 2026-05-14 (99 days ago) | 2026-08-21 |
| info | deprecated | vertex_ai/claude-sonnet-4@20250514: retires 2026-05-14 (99 days ago) | 2026-08-21 |