DEPRECATED
Retired 2026-09-28 — 2 days ago. Requests to this identifier are expected to fail. The provider names gpt-5.6-terra as the replacement. Sources disagree on: context_tokens, max_output_tokens.
state=dead sunset=2026-09-28 days_remaining=-2 severity=critical sources=docs,litellm,openrouter evidence_tier=documentation confirmed_by_endpoint=false documented_by_provider=docs replacement=gpt-5.6-terra corroborated=yes divergent_fields=context_tokens,max_output_tokens checked=2026-09-30 15:40Z
openai/gpt-3.5-turbo-instruct
Vendor: openai. Tracked by 3 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| docs | gpt-3.5-turbo-instruct | — | — | — | — | 2026-09-28 |
| litellm | gpt-3.5-turbo-instruct | 8,192 | 4,096 | $1.5 | $2 | 2026-09-28 |
| openrouter | openai/gpt-3.5-turbo-instruct | 4,095 | 3,685 | $1.5 | $2 | — |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| low | added | new model openrouter/openai/gpt-3.5-turbo-instruct (4,095 ctx) | 2026-09-06 |
| high | modified | openai/gpt-3.5-turbo-instruct: max_output_tokens cut 4,096 to 3,685 | 2026-08-25 |
| high | deprecated | gpt-3.5-turbo-instruct: deprecation announced for 2026-09-28 — in 38 days | 2026-08-21 |
| high | deprecated | gpt-3.5-turbo-instruct: retires 2026-09-28 (in 38 days) | 2026-08-21 |
| info | deprecated | gpt-3.5-turbo-instruct: deprecation announced for 2025-09-26 (date already passed) | 2026-08-05 |
| high | deprecated | gpt-3.5-turbo-instruct: retires 2026-09-28 (in 58 days) | 2026-08-01 |
| low | added | new model gpt-3.5-turbo-instruct | 2026-08-01 |