DEPRECATED
Retired 2026-10-23 — 8 days ago. Requests to this identifier are expected to fail. The provider names gpt-5.6-terra as the replacement.
state=dead sunset=2026-10-23 days_remaining=-8 severity=critical sources=docs,litellm evidence_tier=documentation confirmed_by_endpoint=false documented_by_provider=docs replacement=gpt-5.6-terra corroborated=yes divergent_fields=none checked=2026-10-31 05:09Z
openai/gpt-3.5-turbo
Vendor: openai. Tracked by 2 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| docs | gpt-3.5-turbo | — | — | — | — | 2026-10-23 |
| litellm | gpt-3.5-turbo | 16,385 | 4,096 | $0.5 | $1.5 | 2026-10-23 |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| medium | removed | [one catalog only — docs, litellm still list it] openai/gpt-3.5-turbo is no longer listed by this source — calls to it are expected to fail | 2026-10-24 |
| info | deprecated | gpt-3.5-turbo: deprecation announced for 2026-04-22 (date already passed) | 2026-10-17 |
| info | deprecated | gpt-3.5-turbo: deprecation announced for 2026-04-22 (date already passed) | 2026-10-13 |
| medium | removed | [one catalog only — docs, litellm, openrouter still list it] openrouter/openai/gpt-3.5-turbo is no longer listed by this source — calls to it are expected to fail | 2026-10-09 |
| low | modified | openrouter/openai/gpt-3.5-turbo: capabilities gained function_calling, response_schema | 2026-09-18 |
| info | repriced | openrouter/openai/gpt-3.5-turbo: input_price_per_mtok $1.50/Mtok to $0.50/Mtok | 2026-09-06 |
| info | repriced | openrouter/openai/gpt-3.5-turbo: output_price_per_mtok $2.00/Mtok to $1.50/Mtok | 2026-09-06 |
| high | deprecated | gpt-3.5-turbo: deprecation announced for 2026-10-23 — in 72 days | 2026-08-12 |
| info | deprecated | gpt-3.5-turbo: deprecation announced for 2026-04-22 (date already passed) | 2026-08-05 |
| high | deprecated | gpt-3.5-turbo: retires 2026-10-23 (in 83 days) | 2026-08-01 |
| low | added | new model gpt-3.5-turbo | 2026-08-01 |