GPT-3.5 Turbo
CurrentLatestGPT-3.5 Turbo is a long-standing cost-efficient chat model family on the OpenAI API for simple assistants, classification, and legacy integrations.
Best for:Simple FAQ botsCost tier:—
Compared to:GPT-5.4Replaces:GPT-4 Turbo
LLM · Release — · See vendor
legacycostapi
Updated 1 day ago · Verified Apr 2026 · Score 78
Decision summary
Why teams reach for it, where it fits, and what to watch for — before you dive into specs.
Why teams choose it
- Quality gap vs GPT-4-class is large on complex tasks—monitor user complaints if downgrading.
- Snapshot strings expire—automate rotation tests in CI.
Best use cases
- Use this when simple FAQ bots
- Use this when high-volume lightweight summarization
Tradeoffs
- Weak on multi-step reasoning vs GPT-4o.
- No vision—route image tasks elsewhere.
Technical details
Modalities, benchmarks, and release context.
Modalities
What goes in and what comes out.
- Inputs
- text
- Outputs
- text
- Capabilities
- chat, classification, cheap inference
Release: —·License: See vendor
Benchmarks snapshot
Structured JSON for reproducible comparisons.
No benchmark data yet — see comparisons for relative performance.
Family lineup
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Current family lineup
Continue exploring
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Learn & build
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