GPT-5 Mini
OpenAI · Proprietary · Released Aug 7, 2025 · openai/gpt-5-mini
400K contextVisionToolsReasoningStructured outputPrompt caching
Available from 4 providersUSD / MTOK · VERIFIED 4 MINUTES AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
| PROVIDER | INPUT | OUTPUT | CACHE | CONTEXT | QUANT | TTFT | TPS | UPTIME |
|---|---|---|---|---|---|---|---|---|
 OpenAI1ST PARTY | $0.125 | $1.00 | $0.013 | 400K | — | ✕ | ✕ | 100.0% |
 Azure | $0.25 | $2.00 | $0.03 | 400K | — | 2.8s | 250 tok/s | 100.0% |
| OpenAI1ST PARTY | $0.25 | $2.00 | $0.025 | 400K | — | — | — | 100.0% |
| Azure | $0.275 | $2.20 | $0.033 | 400K | — | — | — | 100.0% |
TTFT/TPS: median (P50) over trailing 72h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · ✕ = probed, endpoint returned no measurable stream · methodology v1.1 · measured 44 hours ago
Pricing variants · USD / MTok in / out
STANDARD
$0.125 / $1.00
per MTok in / out
BATCH
$0.063 / $0.50
async batch
CACHE READ $0.013WEB SEARCH $0.01 / search
About
GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks. It provides the same instruction-following and safety-tuning benefits as GPT-5, but with reduced latency and cost....
Specifications
Context window400,000
Max output128,000
Modalities intext, image, file
Modalities outtext
LicenseProprietary
ReleasedAug 7, 2025
Knowledge cutoff2024-05-31
TokenizerGPT
Related
Embed badge
[](https://modelindex.ai/models/openai/gpt-5-mini)Sources
OpenRouter API4 minutes ago
AGGREGATORLiteLLM dataset4 minutes ago
AGGREGATORModelIndex benchmarks44 hours ago
MEASUREDVerified 4 minutes ago · list prices, not negotiated rates.