RETIRING IN 341 DAYS
Sunset scheduled for 2027-09-07, reported by a third-party catalog. The identifier still resolves today. Sources disagree on: context_tokens.
state=dying sunset=2027-09-07 days_remaining=341 severity=high sources=litellm,openrouter evidence_tier=catalog confirmed_by_endpoint=false documented_by_provider=false replacement=none corroborated=yes divergent_fields=context_tokens checked=2026-10-01 15:42Z
openai/gpt-5.4-pro
Vendor: openai. Tracked by 2 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| litellm | azure/gpt-5.4-pro | 922,000 | 128,000 | $30 | $180 | 2027-09-07 |
| openrouter | openai/gpt-5.4-pro | 1,050,000 | 128,000 | $30 | $180 | — |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| low | modified | openai/gpt-5.4-pro: capabilities gained verbosity | 2026-10-01 |
| high | modified | openai/gpt-5.4-pro: capabilities lost verbosity | 2026-10-01 |
| low | modified | openai/gpt-5.4-pro: capabilities gained verbosity | 2026-09-30 |
| high | modified | azure/gpt-5.4-pro: context_tokens cut 1,050,000 to 922,000 | 2026-09-30 |
| high | modified | azure_ai/gpt-5.4-pro: context_tokens cut 1,050,000 to 922,000 | 2026-09-30 |
| low | modified | chatgpt/gpt-5.4-pro: capabilities gained reasoning, xhigh_reasoning_effort | 2026-09-26 |
| low | modified | openrouter/openai/gpt-5.4-pro: capabilities gained web_search | 2026-09-19 |
| medium | deprecated | azure/eu/gpt-5.4-pro: deprecation announced for 2027-09-07 — in 354 days | 2026-09-18 |
| medium | deprecated | azure/us/gpt-5.4-pro: deprecation announced for 2027-09-07 — in 354 days | 2026-09-18 |
| medium | deprecated | azure/eu/gpt-5.4-pro: retires 2027-09-07 (in 354 days) | 2026-09-18 |
| medium | deprecated | azure/us/gpt-5.4-pro: retires 2027-09-07 (in 354 days) | 2026-09-18 |
| low | added | new model azure/eu/gpt-5.4-pro | 2026-09-16 |
| low | added | new model azure/us/gpt-5.4-pro | 2026-09-16 |
| info | repriced | gpt-5.4-pro: cache_read_price_per_mtok $3.00/Mtok to n/a | 2026-09-13 |
| high | modified | gpt-5.4-pro: capabilities lost minimal_reasoning_effort | 2026-09-11 |
| low | added | new model openrouter/openai/gpt-5.4-pro (1,050,000 ctx) | 2026-09-06 |
| medium | deprecated | azure/gpt-5.4-pro: deprecation announced for 2027-09-07 — in 382 days | 2026-08-21 |
| medium | deprecated | azure_ai/gpt-5.4-pro: deprecation announced for 2027-09-07 — in 382 days | 2026-08-21 |
| medium | deprecated | azure/gpt-5.4-pro: retires 2027-09-07 (in 382 days) | 2026-08-21 |
| medium | deprecated | azure_ai/gpt-5.4-pro: retires 2027-09-07 (in 382 days) | 2026-08-21 |
| info | modified | [source artifact — 6 providers changed identically on the same day] azure_ai/gpt-5.4-pro: capabilities lost service_tier | 2026-06-27 |
| info | modified | [source artifact — 6 providers changed identically on the same day] gpt-5.4-pro: capabilities lost service_tier | 2026-06-27 |
| low | added | new model azure_ai/gpt-5.4-pro (1,050,000 ctx) | 2026-05-16 |