Models/OpenAI/GPT-5 Mini

GPT-5 Mini

Name: GPT-5 Mini API access
Brand: OpenAI

OpenAI · Proprietary · Released Aug 7, 2025 · openai/gpt-5-mini

Best $0.25 in / $2.00 out via OpenAI

Compare Estimate cost

400K contextVisionToolsReasoningStructured outputPrompt caching

Available from 6 providersUSD / MTOK · PRICES 23 MINUTES AGO · SPEED 7 MINUTES AGO

EST. MONTHLY COSTclick a row for detail · click headers to sort

PROVIDER	INPUT	OUTPUT	CACHE	CONTEXT	QUANT	TTFT	TPS	UPTIME
OpenAIopenai/flexFLEX1ST PARTY	$0.125	$1.00	$0.013	400K	—	✕	✕	100.0%
CheaperInferenceStandardDIRECTMARKETPLACE	$0.16	$1.30	—	—	—	7.7sᴿ	397ᴿ tok/s	—
CheaperInferenceZero data retentionDIRECTMARKETPLACE	$0.23	$1.80	—	—	—	6.5sᴿ	314ᴿ tok/s	—
OpenAIopenai1ST PARTY	$0.25	$2.00	$0.025	400K	—	—	—	100.0%
Azureazure	$0.25	$2.00	$0.03	400K	—	4.2s°	24° tok/s	100.0%
Azureazure/swedencentral	$0.275	$2.20	$0.033	400K	—	—	—	100.0%

TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured against the provider API directly; ° = routed via OpenRouter (adds a hop) · ✕ = probed, endpoint returned no measurable stream · ᴿ = reasoning model measured on the reasoning10k profile (4K-token output budget; first token includes thinking time) · methodology v1.1 · measured 7 minutes ago

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Pricing variants · USD / MTok in / out

STANDARD

$0.25 / $2.00

per MTok in / out

BATCH

$0.125 / $1.00

async batch

CACHE READ $0.025WEB SEARCH $0.01 / search

Recent changesRSS ↗

Sep 23, 2026endpoint added · cheaperinference4 → 6

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

GPT-6.1 Sol Pro$2.00 / $10.00 GPT-6.1 Sol$2.00 / $10.00 GPT-6 Luna Pro$0.10 / $0.50 GPT-6 Luna$0.10 / $0.50

Embed badge

[![GPT-5 Mini](https://modelindex.ai/badge/openai/gpt-5-mini)](https://modelindex.ai/models/openai/gpt-5-mini)

Sources

OpenRouter API23 minutes ago

AGGREGATOR

LiteLLM dataset23 minutes ago

AGGREGATOR

ModelIndex benchmarks17 minutes ago

MEASURED

Verified 23 minutes ago · list prices, not negotiated rates.