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GPT-3.5 Turbo Instruct
openai·openai/gpt-3.5-turbo-instruct·Deprecated·Closed·gpt series
Compact GPT model for low-latency assistance and high-volume workloads
At a glance
Reference price$1.50 / $2.00 per 1M
Cache read — · Azure
Lowest paid$1.40 / $1.80
Poe Gateway · 1.1× spread
Context4,096
⚠ Providers report 3,500–4,096; the table below is authoritative
Output limit4,096
Capabilities
ReasoningTool use✓ Structured output✓ TemperatureAttachments
⚠ Providers report capability flags inconsistently
Modalities
TextImage
Knowledge cutoff2021-08
Released / updated2023-09-21 / 2023-09-28
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 4 providers4 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Poe | Gateway | $1.40 | $1.80 | — | — | 3,500 ⚠ | 1,024 | |
| OpenRouter | Gateway | $1.50 | $2.00 | — | — | 4,095 ⚠ | 4,096 | |
| Azure Cognitive Services | First-party | $1.50 | $2.00 | — | — | 4,096 | 4,096 | deprecated |
| Azure | First-party | $1.50 | $2.00 | — | — | 4,096 | 4,096 | deprecated |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1Poe$370.00
2OpenRouter$400.00
3Azure Cognitive Services$400.00
4Azure$400.00
The cheapest paid channel is the only channel.
Related models
RouteLLMsame series$3.00 / $15.00GPT-Realtime-2.1same series$4.00 / $24.00NanoGPT Helpsame series$0 / $0Qwen3-Next 80B-A3B Instructcheaper alternative$0.144 / $0.574Qwen3-Coder 30B-A3B Instructcheaper alternative$0.216 / $0.861Qwen3 Coder Nextcheaper alternative$0.50 / $1.20Llama-3.1-8B-Instructcheaper alternative$0.15 / $0.45
Price historyone sample accumulated per data sync
Input listOutput listMin blended