Per MillionLLM API prices, tracked daily

chat-latest API Pricing

chat-latest on OpenAI costs $5.00 per 1M input tokens and $30.00 per 1M output tokens (as of ).

chat-latest API Pricing. Source: the LiteLLM price list (MIT License)
Input$5.00 / 1M tokens
Output$30.00 / 1M tokens
Cached input (read)$0.50
Cache write—
Batch input / output—
Above 200K tokens (input / output)—
Context window400K tokens
Max output128K tokens
Supportsvision, tool calling, reasoning, prompt caching
Deprecation dateNone listed
API model idchat-latest
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)$25.00
Summarising 100 long documents (50,000 in, 1,000 out each)$28.00
1 million classification calls (300 in, 5 out each)$1650.00

Try your own numbers in the LLM API cost calculator.

Price history

No price change recorded since .

Similarly priced models

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Similarly priced models. Source: the LiteLLM price list (MIT License)
ModelProviderInput / 1MOutput / 1MCached input / 1MContext
gpt-5.5OpenAI$5.00$30.00$0.501.05M
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gpt-rosalind-researchOpenAI$5.00$25.00$0.50—
daybreak-blue-latestOpenAI$4.00$20.00$0.40922K
gpt-5.6OpenAI$4.00$20.00$0.40922K
gpt-5.6-solOpenAI$4.00$20.00$0.40922K
gpt-4-1106-previewOpenAI$10.00$30.00—128K
gpt-4-turboOpenAI$10.00$30.00—128K