GPT 4 1 Nano on OpenRouter

Provider model ID: openai/gpt-4.1-nano
Protocol: openai chat completions
Region: global
Status: active
Base URL: https://openrouter.ai/api/v1

Current offers

Price components

Exact source values; no hidden currency conversion or inferred effort surcharge.

On demandon demand

$0.50

input tokens$0.10per million tokens

output tokens$0.40per million tokens

cached input tokens$0.025per million tokens

Reasoning effortExact supported efforts unknownPublished unit rates apply to billed token components. Total cost varies with the actual billed input and output tokens.

Provider assertions

Claims

compatibility · structured outputs

supported · 1 source assertion

compatibility · tools

supported · 1 source assertion

limits · context tokens

reported · 1 source assertion

modalities · input

reported · 1 source assertion

routing · moderated

supported · 1 source assertion

Independent checks

Observations

independent observations · probes begin in Stage 2

Independent inference performance

Scenario and region observations

Full JSON history

No independent aggregates match these filters yet. Raw scheduled probes remain visible only after the first immutable aggregate snapshot is published.

Immutable record

Pricing history

Newest observed values first.

Latest detected revisionOn demandOpenRouter Models API

First detectedAug 30, 2026, 08:38 PM UTCConfirmed through Sep 22, 2026, 07:53 AM UTC · 531 raw observations

Evidence snapshot Raw JSON audit

Latest change vs previous

Exact component-rate changes

Unit rates are source evidence. A reasoning effort can change billed token use, so total cost still requires the actual input and output token counts.

input tokens · per million tokens: $0.10Unchanged from previous revision
output tokens · per million tokens: $0.40Unchanged from previous revision
cached input tokens · per million tokens: $0.025decreased $0.005 (-50/3% exact)

Comparable revision trend

Input / 1M tokens

Relative shape only; hover or read the ledger for exact values.

Aug 30, 2026, 08:38 PM UTCOn demandOpenRouter Models API · on demand
2cf4847930…
input tokens · per million tokens