Per MillionLLM API prices, tracked daily

gpt-3.5-turbo API Pricing

gpt-3.5-turbo on OpenAI costs $0.50 per 1M input tokens and $1.50 per 1M output tokens (as of ).

gpt-3.5-turbo API Pricing. Source: the LiteLLM price list (MIT License)
Input$0.50 / 1M tokens
Output$1.50 / 1M tokens
Cached input (read)—
Cache write—
Batch input / output—
Above 200K tokens (input / output)—
Context window16K tokens
Max output4K tokens
Supportstool calling, prompt caching
Deprecation date
API model idgpt-3.5-turbo
In our records since

What it costs for common jobs

Estimated from the list price above (no caching or batch discount).

What it costs for common jobs. Source: the LiteLLM price list (MIT License)
JobEstimated cost
1,000 chat replies (2,000 tokens in, 500 out each)$1.75
Summarising 100 long documents (50,000 in, 1,000 out each)$2.65
1 million classification calls (300 in, 5 out each)$157.50

Try your own numbers in the LLM API cost calculator.

Price history

No price change recorded since .

Similarly priced models

Sort:

Similarly priced models. Source: the LiteLLM price list (MIT License)
ModelProviderInput / 1MOutput / 1MCached input / 1MContext
gpt-4.1-miniOpenAI$0.40$1.60$0.101.04758M
gpt-5-miniOpenAI$0.25$2.00$0.03272K
gpt-5.4-nanoOpenAI$0.20$1.25$0.02272K
gpt-audio-miniOpenAI$0.60$2.40—128K
gpt-5.6-lunaOpenAI$0.20$1.20$0.02922K
gpt-4o-miniOpenAI$0.15$0.60$0.07128K
gpt-4o-mini-audio-preview-OpenAI$0.15$0.60—128K
gpt-4o-mini-search-previewOpenAI$0.15$0.60$0.07128K