Pricingby GlyphGPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks.
Ways to buy 4
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
flex, cheapest · cached $0.013 | $0.125 | $1 | $0.125 / $1-50% vs list | $0.013 | -50% vs list |
The lab's own API · cached $0.025 | $0.25 | $2 | $0.25 / $2List price | $0.025 | List price |
Default region · cached $0.03 | $0.25 | $2 | $0.25 / $2Same as list | $0.03 | Same as list |
swedencentral · cached $0.033 | $0.275 | $2.2 | $0.275 / $2.2+10% vs list | $0.033 | +10% vs list |
USD per 1M tokens; batch $0.125 in, $1 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $65.00 direct.
Helicone$65.00+0%
Kong AI Gateway$65.00+0%
LiteLLM$65.00+0%
Neon AI Gateway$65.00+0%
Vercel AI Gateway$65.00+0%
Cloudflare AI Gateway$68.25+5%
Requesty$68.25+5%
Eden AI$68.58+5.5%
OpenRouter$68.58+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | |||||||
|---|---|---|---|---|---|---|---|---|
OpenAI · 1.05MCheapest: $1 on OpenAI (flex) | $1 | $5 | $1 / $5 | $2 | 1.05M | $1 on OpenAI (flex) | · | GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. |
OpenAI · 1.05MCheapest: $1 on OpenAI (flex) | $1 | $5 | $1 / $5 | $2 | 1.05M | $1 on OpenAI (flex) | · | GPT-6.1 Terra Pro is the same underlying model as GPT-6.1 Terra, served with reasoning.mode set to pro for higher-quality responses on complex tasks. |
OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · | GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. |
OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · | GPT-6.1 Sol Pro is the same underlying model as GPT-6.1 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks. |
Google · 1MCheapest: $0.75 on Google Gemini API (flex) | $0.75 | $3.75 | $0.75 / $3.75 | $1.5 | 1M | $0.75 on Google Gemini API (flex) | · | Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning. |
Google · 1MCheapest: $0.75 on Google Vertex AI (global-flex) | $0.75 | $3.75 | $0.75 / $3.75 | $1.5 | 1M | $0.75 on Google Vertex AI (global-flex) | · | Gemini 3.7 Flash is a multimodal model from Google for fast agentic workflows, coding, and complex multi-step reasoning. |
Z.ai · 1M | $0.179 | $1.4 | $0.179 / $1.4 | $0.484 | 1M | on Wafer (fp4) | · | GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. |
Z.ai · 1M | $0.37 | $1.25 | $0.37 / $1.25 | $0.59 | 1M | Lab list price | · | GLM-5.3-FlashX-Legal (GLM-Legal) is Z.ai's legal-domain variant of GLM-5.3-FlashX, a native multimodal model that accepts text, image, and video input and produces text. |
About GPT-5 Mini
Takes text, image, files in and returns text. First listed Aug 12, 2025. Up to 128K output tokens. Blended price $0.688 per 1M tokens at 3 input to 1 output. Model id gpt-5-mini.
Price history
List price since Aug 12, 2025, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Questions
How much does GPT-5 Mini cost?
$0.25 per million input tokens and $2 per million output tokens, with cached input at $0.025, or $0.125 and $1 through the Batch API.
What is the context window of GPT-5 Mini?
400K tokens, with up to 128K tokens of output.
Where is GPT-5 Mini cheapest?
Of 4 routes tracked, OpenAI is cheapest at $0.125 input and $1 output per million tokens.