The board shows this model's cheapest measured offer ($0.344/1M); the smaller figure under it is the mean of the 10 offers listed below ($0.626/1M). Add those up and divide — it matches. 24h token volume (29B) is sourced from OpenRouter public rankings — today's only public source of absolute per-model token counts (Vercel AI Gateway publishes share-of-traffic percentages); as more sources come online, the per-router breakdown will sum to this total here.
| Provider | Router / Source | $ in /1M | $ out /1M | TTFT | TPS | Uptime | Evidence |
|---|---|---|---|---|---|---|---|
| requesty | Requesty | $0.125 | $1.00 | — | — | — | API-measured |
| OpenAI (flex) | OpenRouter | $0.125 | $1.00 | 4718ms | 114 | 98.9% | API-measured |
| azure | Pricebook (LiteLLM) | $0.250 | $2.00 | — | — | — | Official list |
| openai | Pricebook (LiteLLM) | $0.250 | $2.00 | — | — | — | Official list |
| openrouter | Pricebook (LiteLLM) | $0.250 | $2.00 | — | — | — | Official list |
| replicate | Pricebook (LiteLLM) | $0.250 | $2.00 | — | — | — | Official list |
| burncloud | burncloud | $0.250 | $2.00 | — | — | — | API-measured |
| OpenAI | OpenRouter | $0.250 | $2.00 | 5242ms | 74 | 98.9% | API-measured |
| Azure | OpenRouter | $0.250 | $2.00 | 4471ms | 80 | 100% | API-measured |
| Azure (swedencentral) | OpenRouter | $0.275 | $2.20 | — | — | 100% | API-measured |
Volume trend
Last 30 days: 22B → 29B (+36%); range 0–29B tokens/day. Source: OpenRouter public rankings; refreshed hourly.
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-mini.json. Free reuse requires attribution to tkx.org.
About
GPT-5-Mini is a language model 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-mini:flex cost?
Cheapest measured offer right now: $0.125/1M input, $1/1M output via requesty — across 6 tracked providers, refreshed hourly.
Who serves gpt-5-mini:flex?
6 providers currently serve it. The table above lists each with input/output price, TTFT, TPS, uptime and an evidence tier.
How heavily is gpt-5-mini:flex used?
gpt-5-mini:flex routed 29B tokens in the last 24h. The daily bars above show routed volume over recent days. Source: OpenRouter public rankings — one of the few routers publishing per-model usage; TKX refreshes hourly.