GPT-3.5 Turbo Legacy Pricing - Cost Calculator

Track gpt-3.5-turbo Legacy pricing with real-time alerts, compare providers, and monitor cost changes across deprecated yet widely deployed chat workflows.

Released 1 March 2023, GPT-3.5 Turbo Legacy is a fine-tuning model from OpenAI that has been deprecated. It was replaced by GPT-5.6 Terra on 19 April 2026. The context window holds 16,384 tokens. It costs between $1.50 and $3.00 per million input tokens, depending on service tier.

Last updated Sep 27, 2026

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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Superseded By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

(USD 3.0000 per 1M tokens)
(USD 6.0000 per 1M tokens)

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

Prices are watched for changes and checked against the provider's own page.

Pricing

Provider ↕
Modality ↕
Service Tier ↕
Input Price
(per 1M tokens) ↕
Output Price
(per 1M tokens) ↕
Other Price
(per 1M tokens) ↕
Context Size ↕
View
OpenAI LogoOpenAITextStandard$3.0000$6.0000$8.000016,384 tokens→
OpenAI LogoOpenAITextBatch$1.5000$3.0000$8.000016,384 tokens→

Other Models in the GPT-3.5 Family

GPT-3.5 0301

Active

Text · 4,091 context

GPT-3.5 Turbo

Legacy

Text · 16,384 context

GPT-3.5 Turbo 0125

Legacy

Text · 16,384 context

GPT-3.5 Turbo 0613

Deprecated

Text · 4,096 context

GPT-3.5 Turbo 1106

Deprecated

Text · 16,384 context

GPT-3.5 Turbo 16k 0613

Deprecated

Text · 16,384 context

GPT-3.5 Turbo Instruct

Deprecated

Text · 4,096 context

FAQs about GPT-3.5 Turbo Legacy

How much does GPT-3.5 Turbo Legacy cost per 1M tokens?

GPT-3.5 Turbo Legacy costs between $1.50 and $3.00 per million input tokens, and between $3.00 and $6.00 per million output tokens. The range covers Standard and Batch pricing.

What does a typical workload cost with GPT-3.5 Turbo Legacy?

1,000 requests of 2,000 input and 500 output tokens each — 2,000,000 input and 500,000 output tokens in total — costs $4.50 with GPT-3.5 Turbo Legacy at its lowest rates. Use the calculator on this page for your own volumes.

Where can I use GPT-3.5 Turbo Legacy?

GPT-3.5 Turbo Legacy is available through OpenAI, from $1.50 per million input tokens.

Is there cheaper GPT-3.5 Turbo Legacy pricing than the standard rate?

Yes. Batch pricing for GPT-3.5 Turbo Legacy starts at $1.50 per million input tokens against $3.00 on the standard tier, about 50% lower.

What is GPT-3.5 Turbo Legacy's context window?

GPT-3.5 Turbo Legacy has a context window of 16,384 tokens.

Is GPT-3.5 Turbo Legacy still available?

GPT-3.5 Turbo Legacy is deprecated and was retired on 19 April 2026. The replacement is GPT-5.6 Terra.