GPT-3.5 Turbo
Cheapest OpenAI API access; largely superseded by GPT-4o mini at similar cost.
- Input
- $0.50 / 1M tokens
- Output
- $1.50 / 1M tokens
- Cached read
- — / 1M tokens
- Cached write
- — / 1M tokens
- Batch discount
- —%
- Source
- GPT-3.5 Turbo pricing
- Verified
- Apr 5, 2026 (High)
Capabilities
- Modalities
- text→text
- Capabilities
- batchSupportfunctionCallingstructuredOutputs
- Strengths
- Legacy familiarity, Simple fine-tuning
- Tradeoffs
- No vision, small context, being deprecated
Benchmark Coverage
| Benchmark | Version | Score | Date | Source | Notes |
|---|
Release History
| Release | Alias | Lifecycle | Release Date | Deprecation | Shutdown | Summary |
|---|---|---|---|---|---|---|
| GPT-3.5 Turbo | gpt-3-5-turbo | Deprecated | Jan 25, 2024 | — | — | Current published model family snapshot. |
Host Coverage
| Host | Type | Context | Pricing Note | Differences |
|---|---|---|---|---|
| OpenAI API | first-party | 16.4K | Scheduled for shutdown September 2026. | — |
Migration Guidance
Migrate to GPT-4o mini or GPT-4.1 nano.
Replacement models: gpt-4o-mini, gpt-4-1-nano
Change Events
| Date | Type | Title | Description | Source |
|---|---|---|---|---|
| Mar 1, 2023 | family_added | GPT-3.5 Turbo published | Initial public model family launch. | GPT-3.5 Turbo release notes |
Other models from OpenAI
GPT-4.1, GPT-4.1 mini, GPT-4.1 nano, GPT-4o, GPT-4o, GPT-4o mini, GPT-4o mini, GPT-5.4, GPT-5.4 mini, GPT-5.4 nano, o1, o3, o3-mini, o4-mini