RETIRING IN 482 DAYS
Sunset scheduled for 2028-01-11, reported by a third-party catalog. The identifier still resolves today. Sources disagree on: context_tokens, input_price_per_mtok, output_price_per_mtok.
state=dying sunset=2028-01-11 days_remaining=482 severity=high sources=litellm,openrouter evidence_tier=catalog confirmed_by_endpoint=false documented_by_provider=false replacement=none corroborated=yes divergent_fields=context_tokens,input_price_per_mtok,output_price_per_mtok checked=2026-09-16 03:02Z
openai/gpt-5.6-terra
Vendor: openai. Tracked by 2 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| litellm | azure/eu/gpt-5.6-terra | 922,000 | 128,000 | $2.2 | $13.2 | 2028-01-11 |
| openrouter | openai/gpt-5.6-terra | 1,050,000 | 128,000 | $2 | $12 | — |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| low | added | new model aihubmix/gpt-5.6-terra (1,050,000 ctx) | 2026-09-16 |
| low | modified | global.openai.gpt-5.6-terra: capabilities gained max_reasoning_effort, xhigh_reasoning_effort | 2026-09-13 |
| low | modified | us.openai.gpt-5.6-terra: capabilities gained max_reasoning_effort, xhigh_reasoning_effort | 2026-09-13 |
| low | added | new model chatgpt/gpt-5.6-terra (1,050,000 ctx) | 2026-09-10 |
| low | added | new model openrouter/openai/gpt-5.6-terra (922,000 ctx) | 2026-09-06 |
| low | modified | global.openai.gpt-5.6-terra: capabilities gained reasoning | 2026-08-28 |
| low | modified | us.openai.gpt-5.6-terra: capabilities gained reasoning | 2026-08-28 |
| low | added | new model global.openai.gpt-5.6-terra (1,000,000 ctx) | 2026-08-23 |
| low | added | new model us.openai.gpt-5.6-terra (1,000,000 ctx) | 2026-08-23 |
| high | modified | azure/eu/gpt-5.6-terra: context_tokens cut 1,050,000 to 922,000 | 2026-08-21 |
| high | modified | azure/gpt-5.6-terra: context_tokens cut 1,050,000 to 922,000 | 2026-08-21 |
| high | modified | azure/us/gpt-5.6-terra: context_tokens cut 1,050,000 to 922,000 | 2026-08-21 |
| high | modified | gpt-5.6-terra: context_tokens cut 1,050,000 to 922,000 | 2026-08-21 |
| low | modified | gpt-5.6-terra: capabilities gained prompt_cache_breakpoint | 2026-08-21 |
| medium | repriced | openai/gpt-5.6-terra: input_price_per_mtok $1.00/Mtok to $2.00/Mtok | 2026-08-17 |
| medium | repriced | openai/gpt-5.6-terra: output_price_per_mtok $6.00/Mtok to $12.00/Mtok | 2026-08-17 |
| medium | repriced | openai/gpt-5.6-terra: cache_read_price_per_mtok $0.10/Mtok to $0.20/Mtok | 2026-08-17 |
| medium | deprecated | azure/eu/gpt-5.6-terra: deprecation announced for 2028-01-11 — in 517 days | 2026-08-12 |
| medium | deprecated | azure/gpt-5.6-terra: deprecation announced for 2028-01-11 — in 517 days | 2026-08-12 |
| medium | deprecated | azure/us/gpt-5.6-terra: deprecation announced for 2028-01-11 — in 517 days | 2026-08-12 |
| medium | deprecated | azure/eu/gpt-5.6-terra: retires 2028-01-11 (in 517 days) | 2026-08-12 |
| medium | deprecated | azure/gpt-5.6-terra: retires 2028-01-11 (in 517 days) | 2026-08-12 |
| medium | deprecated | azure/us/gpt-5.6-terra: retires 2028-01-11 (in 517 days) | 2026-08-12 |
| info | repriced | azure/eu/gpt-5.6-terra: input_price_per_mtok $2.75/Mtok to $2.20/Mtok | 2026-08-05 |
| info | repriced | azure/eu/gpt-5.6-terra: output_price_per_mtok $16.50/Mtok to $13.20/Mtok | 2026-08-05 |
| info | repriced | azure/eu/gpt-5.6-terra: cache_read_price_per_mtok $0.28/Mtok to $0.22/Mtok | 2026-08-05 |
| info | repriced | azure/gpt-5.6-terra: input_price_per_mtok $2.50/Mtok to $2.00/Mtok | 2026-08-05 |
| info | repriced | azure/gpt-5.6-terra: output_price_per_mtok $15.00/Mtok to $12.00/Mtok | 2026-08-05 |
| info | repriced | azure/gpt-5.6-terra: cache_read_price_per_mtok $0.25/Mtok to $0.20/Mtok | 2026-08-05 |
| info | repriced | azure/us/gpt-5.6-terra: input_price_per_mtok $2.75/Mtok to $2.20/Mtok | 2026-08-05 |
| info | repriced | azure/us/gpt-5.6-terra: output_price_per_mtok $16.50/Mtok to $13.20/Mtok | 2026-08-05 |
| info | repriced | azure/us/gpt-5.6-terra: cache_read_price_per_mtok $0.28/Mtok to $0.22/Mtok | 2026-08-05 |
| info | repriced | gpt-5.6-terra: input_price_per_mtok $2.50/Mtok to $2.00/Mtok | 2026-07-30 |
| info | repriced | gpt-5.6-terra: output_price_per_mtok $15.00/Mtok to $12.00/Mtok | 2026-07-30 |
| info | repriced | gpt-5.6-terra: cache_read_price_per_mtok $0.25/Mtok to $0.20/Mtok | 2026-07-30 |
| low | added | new model azure/eu/gpt-5.6-terra (1,050,000 ctx) | 2026-07-10 |
| low | added | new model azure/gpt-5.6-terra (1,050,000 ctx) | 2026-07-10 |
| low | added | new model azure/us/gpt-5.6-terra (1,050,000 ctx) | 2026-07-10 |
| low | added | new model gpt-5.6-terra (1,050,000 ctx) | 2026-07-09 |