The board shows this model's cheapest measured offer ($0.069/1M); the smaller figure under it is the mean of the 10 offers listed below ($0.125/1M). Add those up and divide — it matches. Cross-check — Vercel AI Gateway: 8.44% of gateway token volume, —% of spend (2026-08-05; share-of-traffic, daily, data CC BY 4.0).
| Provider | Router / Source | $ in /1M | $ out /1M | TTFT | TPS | Uptime | Evidence |
|---|---|---|---|---|---|---|---|
| OpenAI (flex) | OpenRouter | $0.025 | $0.200 | 12653ms | 97 | 99.5% | API-measured |
| requesty | Requesty | $0.025 | $0.200 | — | — | — | API-measured |
| azure | Pricebook (LiteLLM) | $0.050 | $0.400 | — | — | — | Official list |
| openai | Pricebook (LiteLLM) | $0.050 | $0.400 | — | — | — | Official list |
| openrouter | Pricebook (LiteLLM) | $0.050 | $0.400 | — | — | — | Official list |
| replicate | Pricebook (LiteLLM) | $0.050 | $0.400 | — | — | — | Official list |
| OpenAI | OpenRouter | $0.050 | $0.400 | 2538ms | 99 | 99.5% | API-measured |
| Azure | OpenRouter | $0.050 | $0.400 | 2636ms | 62 | 100% | API-measured |
| burncloud | burncloud | $0.050 | $0.400 | — | — | — | API-measured |
| Azure (swedencentral) | OpenRouter | $0.055 | $0.440 | — | — | 100% | API-measured |
Price trend
Cheapest blended price, last 31 days (USD/1M): $0.1375 → $0.1375 → $0.1375 → $0.1375 → $0.1375 → $0.1375 → $0.1375 → $0.1375 → $0.1375 → $0.1375 → $0.0688 → $0.0688 → $0.0688 → $0.0688 → $0.0688 → $0.0688 → $0.0687 → $0.0688 → $0.0688 → $0.0688 → $0.0688 → $0.0687 → $0.0687 → $0.0687 → $0.0687 → $0.0687 → $0.0687 → $0.0687 → $0.0687 → $0.0687 → $0.0687
Data & method
Cheapest ranked by blended = (3×in + out) ÷ 4; performance columns show only when a source provides them, never estimated. “Official list” = LiteLLM open pricebook (MIT); “API-measured” = provider/aggregator public APIs. Machine-readable data: /api/v1/models/gpt-5-nano.json. Free reuse requires attribution to tkx.org.
About
GPT-5-Nano is an AI model, a machine-learning system designed for natural language processing tasks. It is served by multiple inference providers on AI model marketplaces and is listed under the organization tag "OpenAI".
AI-generated summary from public information — is this yours?
FAQ
How much does GPT-5 Nano cost?
Cheapest measured offer right now: $0.025/1M input, $0.2/1M output via OpenAI (flex) — across 6 tracked providers, refreshed hourly.
Who serves GPT-5 Nano?
6 providers currently serve it. The table above lists each with input/output price, TTFT, TPS, uptime and an evidence tier.
Is the price of GPT-5 Nano going up or down?
The daily candles above track the cheapest blended price ($/1M, 3:1 in:out). TKX snapshots every hour, so drops and hikes show up the same day they happen.