About
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.
Related Models
Pricing
Input
$0.50
per 1M tokens
Output
$1.50
per 1M tokens
Blended
$0.75
per 1M tokens
Cheaper than 47% of models. Median price is $0.67/1M tokens.
Cost Calculator
Tokens per day1M
100K100M
Daily
$0.75
Monthly
$22.50
vs. Similar Models
Mistral Large 3
$0.750%
Qwen3 30B A3B 2507 (Reasoning)
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Qwen3 VL 30B A3B (Reasoning)
$0.750%
Magistral Small 1.2
$0.750%
Performance
Context Window
16K
tokens
Larger than 6% of models
Max Output
4K
tokens
25% of context
Context Window Comparison
OpenAI: GPT-3.5 Turbo 16k
16KSame
Microsoft: Phi 4
16K1.0x smaller
Llama 3.1 8B Instruct
16K1.0x smaller