RETIRING IN 92 DAYS
Sunset scheduled for 2027-01-31, reported by a third-party catalog. The identifier still resolves today.
state=dying sunset=2027-01-31 days_remaining=92 severity=high sources=litellm evidence_tier=catalog confirmed_by_endpoint=false documented_by_provider=false replacement=none corroborated=single-source divergent_fields=none checked=2026-10-31 05:09Z
xai/grok-4
Vendor: xai. Tracked by 1 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| litellm | azure_ai/grok-4 | 262,000 | 8,192 | $3 | $15 | 2027-01-31 |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| medium | deprecated | azure_ai/grok-4: deprecation announced for 2027-01-31 — in 95 days | 2026-10-28 |
| medium | deprecated | azure_ai/grok-4: retires 2027-01-31 (in 95 days) | 2026-10-28 |
| medium | removed | [one catalog only — litellm still list it] openrouter/x-ai/grok-4 is no longer listed by this source — calls to it are expected to fail | 2026-10-09 |
| low | modified | azure_ai/grok-4: context_tokens raised 131,072 to 262,000 | 2026-09-29 |
| high | modified | azure_ai/grok-4: max_output_tokens cut 131,072 to 8,192 | 2026-09-28 |
| medium | removed | [one catalog only — litellm still list it] xai/grok-4 is no longer listed by this source — calls to it are expected to fail | 2026-09-23 |
| info | repriced | xai/grok-4: input_price_per_mtok $3.00/Mtok to $1.25/Mtok | 2026-08-30 |
| info | repriced | xai/grok-4: output_price_per_mtok $15.00/Mtok to $2.50/Mtok | 2026-08-30 |
| info | repriced | xai/grok-4: cache_read_price_per_mtok n/a to $0.20/Mtok | 2026-08-30 |
| info | deprecated | xai/grok-4: deprecation announced for 2026-05-15 (date already passed) | 2026-08-21 |
| info | deprecated | xai/grok-4: retires 2026-05-15 (98 days ago) | 2026-08-21 |