GPT-3.5 Turbo Legacy API Pricing Calculator

Model Details

Released

Mar 1, 2023

Status

Deprecated(on Apr 19, 2026)

Context Length

16,384

Superseded By

GPT-5.6 Terra

Where is GPT-3.5 Turbo Legacy a perfect fit?

gpt-3.5-turbo Legacy is best suited for systems that depend on earlier behavior and stability of older chat model versions. Ideal for:
- Legacy chatbots requiring consistent, unchanged responses
- Applications built on older Chat Completions API versions
- Migration testing and validation environments
- Cost-sensitive deployments not yet upgraded to newer models
- Internal tools with prompts tuned for older model behavior
- Systems where output reproducibility matters more than improvements

Quick Model Estimate

Tokens Characters Words

Model

Provider

Modality

Service Tier

Context Size

Input Tokens

(USD 3.0000 per 1M tokens)

Output Tokens

(USD 6.0000 per 1M tokens)

No. of API Calls

Your GPT-3.5 Turbo Legacy Cost Estimate

💰 Total Cost

—

for 1000 input + 1000 output tokens

📥 Input (1000 × $3.000000) —

📤 Output (1000 × $6.000000) —

Cost Breakdown

📥 Input 📤 Output

At the last price OpenAI charged, before it stopped on 19th Apr 2026. No longer on offer.

Estimate with GPT-5.6 Terra →

Pricing

No provider we track currently offers GPT-3.5 Turbo Legacy.

No longer offered by

The last prices each provider charged for GPT-3.5 Turbo Legacy before it stopped offering it. These are no longer on offer. Each row links to that provider's price history.

Provider ↕	Ended ↕	Modality ↕	Service Tier ↕	Input Price (per 1M tokens) ↕	Output Price (per 1M tokens) ↕	Other Price (per 1M tokens) ↕	Context Size ↕	View
OpenAI	19th Apr 2026Model retired	Text	Standard	$3.0000	$6.0000	$8.0000	16,384 tokens	→
OpenAI	19th Apr 2026Model retired	Text	Batch	$1.5000	$3.0000	$8.0000	16,384 tokens	→