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.
Input / 1M
$0.50
Output / 1M
$1.50
Context
16.4K
AA Intelligence
5.5
Closed weights — available only as a hosted API
text → text
Knowledge cutoff Sep 2021
View on OpenRouter ↗
Pricing
via OpenRouter · USD per 1M tokens · synced 2026-10-24$0.50
input / 1M
$1.50
output / 1M
—
cached input / 1M
$2.00
1M in + 1M out
:batch variant
$0.25 in · $0.75 out
- Context window
- 16,385 tokens
- Max output
- 4,096 tokens
- Providers
- 1
- Cheapest provider
- OpenAI · $0.50 / $1.50
- Best throughput
- —
- AA Intelligence / Coding / Agentic
- 5.5 / 10.7 / —
✓ Tool calling
✗ Reasoning
✓ Structured outputs
✗ Image input
✗ File input
✗ Audio input
✗ Prompt caching
Price history
tracking started — chart appears after 7 days of snapshots (6 recorded)Current: $0.50 input · $1.50 output per 1M tokens
Benchmarks
Third-party indices as published through OpenRouter — Artificial Analysis and Design Arena. Not measured by us.
- AA Intelligence Index
- 5.5
- AA Coding Index
- 10.7
- AA Agentic Index
- —
Providers
1 provider · per 1M tokens · last 30 min metrics| Provider | Quant | Context | Input | Output | Uptime | Tok/s |
|---|---|---|---|---|---|---|
| OpenAI | unknown | 16.4K | $0.50 | $1.50 | 0% | — |
Provider data from OpenRouter's endpoint listing, refreshed daily.
Specifications
- Organisation
- openai
- Released on OpenRouter
- 2023-05-28
- Context window
- 16,385 tokens
- Max output
- 4,096 tokens
- Input
- text
- Output
- text
- Knowledge cutoff
- September 2021
- Tokenizer
- GPT
- Moderated by provider
- Yes
- OpenRouter id
- openai/gpt-3.5-turbo
Compare with
Popular comparisons
Prices, context and providers from the public OpenRouter API, snapshotted daily; benchmark indices from Artificial Analysis. See /methodology.