OpenAI: GPT-3.5 Turbo Instruct, OpenAI — route, pricing & source
This model is a variant of GPT-3.5 Turbo tuned for instructional prompts and omitting chat-related optimizations. Training data: up to Sep 2021.
OpenRoutermediumLast checked: Jun 2, 2026
Input
$1.50 / 1M
/ 1M tokens
Output
$2.00 / 1M
/ 1M tokens
Cached input
Not available
Not available
Cache write
Not available
Not available
Context and limits
Context window
4.1K
Max output
4,096
Input modalities
text
Output modalities
text
Weight access
Unknown
Availability
Unknown
Capability flags
JSON
From source metadata + verification fields — confirm provider docs before production.
Benchmarks
No safely merged benchmark result for this model yet.
Access and license
Official API
No
Open weights
No
Self-hostable
No
License
Unknown
Example costs
Scenario: 1K input + 300 output tokens / request
10,000 requests
$21.00
100,000 requests
$210.00
1,000,000 requests
$2,100.00
Cheaper alternatives
Lower-cost models for the same scenario
