OpenAI · Released May 28, 2023
GPT-3.5 Turbo
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.
- Released
- May 28 2023
- Context window
- 16K 4K out
- Input / 1M tokens
- $0.50 from $0.45
- Output / 1M tokens
- $1.50 from $1.40
Where to run it
12 providers compared
Cheapest: Poe at $0.45 / $1.40 per 1M input / output tokens — 29% less than the priciest option.
| Provider | Input | Output | Cache read | Context | Max output | Uptime | vs. best |
|---|---|---|---|---|---|---|---|
| Poe | $0.45 | $1.40 | — | 5K | 2K | — | Cheapest |
| OpenAI | $0.50 | $1.50 | — | 16K | 4K | 100%24h | +9% |
| NanoGPTno tool calling | $0.50 | $1.50 | — | 16K | 4K | — | +9% |
| Kilo Gateway | $0.50 | $1.50 | — | 16K | 4K | — | +9% |
| Vercel AI Gatewayno tool calling | $0.50 | $1.50 | — | 16K | 4K | — | +9% |
| LLM Gateway | $0.50 | $1.50 | — | 16K | 4K | — | +9% |
| DevPass (LLM Gateway)no tool calling | $0.50 | $1.50 | Free | 16K | 4K | — | +9% |
| Merge Gatewayno tool calling | $0.50 | $1.50 | — | 16K | 4K | — | +9% |
| Impossiblno tool calling | $0.50 | $1.50 | — | 16K | 4K | — | +9% |
| OrcaRouterno tool calling | $0.50 | $1.50 | Free | 16K | 4K | — | +9% |
| Eden AI | $0.50 | $1.50 | — | 16K | 4K | — | +9% |
| AI/ML APIno tool calling | $0.65 | $1.95 | — | 16K | 4K | — | +42% |
Value
Price vs. performance
GPT-3.5 Turbo Other OpenAI Other labs Value frontier · GPQA Diamond vs. input price per 1M tokens (log scale) · Drag to pan, pinch or Ctrl + scroll to zoom, double-click to zoom in.
Benchmarks
4 benchmark scores
| Benchmark | Score | Rank | Leader |
|---|---|---|---|
| GPQA DiamondReasoning & knowledge · PhD-level biology, chemistry and physics questions | 28.0% | #116of 122 | Gemini 4 Argon96.4% |
| LMCAReasoning & knowledge · Judge the quality of conceptual arguments like experts | 9.7% | #116of 123 | Claude Sonnet 5.568.3% |
| FrontierMathMaths · Expert-written problems, undergrad to early research (tiers 1–3) | 0.0% | #86of 87 | GPT-6.1 Sol93.7% |
| OTIS Mock AIMEMaths · Competition-style problems harder than MATH Level 5 | 2.2% | #115of 120 | Gemini 4 Argon100.0% |
Specs
Details
- Model ID
openai/gpt-3.5-turbo- Developer
- OpenAI
- Release date
- May 28, 2023 ·
- Context window
- 16,385 tokens
- Max output
- 4,096 tokens
- API price
- $0.50 / $1.50 per 1M input / output tokens
- Providers
- 12
- Input types
- text
- Reasoning
- No
- Tool calling
- Yes
- Open weights
- No
- Free tier
- No
Release date and prices from OpenRouter's catalog; providers from OpenRouter and models.dev. Buying directly from a provider can cost a little differently. Speed, latency and uptime are measured on OpenRouter only; uptime is the share of OpenRouter requests each provider served over the last day. Benchmark scores are the best result per benchmark from Epoch AI, licensed CC BY 4.0. Rank counts every model tracked here with a score.