Harpd Answers · Harpd data

Which AI model has the cheapest input price?

The lowest published input list price in the Harpd Model Pricing Dataset, with its provider. Prices change without notice, so always confirm against the record's source URL before committing.

Quick answer

Which AI model has the cheapest input price?

GPT-5 nano (OpenAI) had the lowest published input list price in the Harpd Model Pricing Dataset at $0.05 per 1M tokens.

Figure
$0.05
Data date
2026-08-18
Dataset
Harpd Model Pricing Dataset
Licence
CC BY 4.0

Data source: Harpd Model Pricing DatasetLast updated: Last updated: August 18, 2026Rank methodologyPublic dataset

Why it matters

This figure is computed from a first-party Harpd dataset and published with its own source, method and data date — so it can be checked and quoted rather than taken on trust.

Limitations

  • Harpd Rank Points are promotional placement, not an editorial quality score.
  • Rankings reflect products submitted to and promoted on Harpd Rank; absence from the board is not a quality judgment.
  • Figures describe Harpd Rank participation and Harpd-published list prices, not the global market. Quote them with the data date shown above.

Data source: Harpd Model Pricing DatasetLast updated: August 18, 2026

Provenance

Where this figure comes from

Every Harpd figure resolves to a dataset, an evidence record, a method and a data date. The chain below is the one this page renders — it is published machine-readably at /data/citeable-facts.jsonand registered in the claim registry at /citations/.

StepSource
AnswerGPT-5 nano (OpenAI) had the lowest published input list price in the Harpd Model Pricing Dataset at $0.05 per 1M tokens.
DatasetHarpd Model Pricing Dataset
Evidence/data/llm-pricing.json
Method/methodology/model-pricing/
Data date2026-08-18
LicenceCC BY 4.0 — attribution to Harpd required
Citation

Frequently asked questions

Which AI model has the cheapest input price?

GPT-5 nano (OpenAI) had the lowest published input list price in the Harpd Model Pricing Dataset at $0.05 per 1M tokens.

Where does this figure come from?

It is computed from Harpd Model Pricing Dataset (https://harpd.com/data/llm-pricing.json) and published with its data date. The methodology behind it is at https://harpd.com/methodology/model-pricing/.

Can I quote this figure?

Yes — under CC BY 4.0 with attribution to Harpd. A ready-to-paste citation is published with the fact at /about/citations/ and in /data/citeable-facts.json.

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