GPT-Realtime-2.1 Mini: audio pricing, latency and capabilities

Prices from official vendor price lists · October 2026

Mid-priced: dearer than 53% of this rating. Recorded for vision, realtime voice.

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Capabilities

API $/1M (in / out)

$0.6 / $2.4

Context window

128K tokens

Price / mo

API only

Overview Reviews

GPT-Realtime-2.1 Mini is an AI model from OpenAI, priced at $0.6 input and $2.4 output per 1M tokens. That places it in the mid tier of this rating — dearer than 53% of the 205 priced models listed.

It holds 128K tokens in a single conversation. Capabilities recorded in this rating: text & chat, vision, audio, realtime voice, structured JSON output. Access is through the API rather than a consumer subscription.

API price$0.6 / $2.4per 1M tokens, in / out

Context128K tokenstokens per conversation

VendorOpenAIall models from this vendor

TierMiddearer than 53% of models

Cost calculator

1M tokens/mo10M tokens/mo50M tokens/mo200M tokens/mo

Standard$1.95~~AED 7 per month~~

With batch −50%$0.97~~AED 4 per month~~

With caching on input$1.81~~AED 7 per month~~

Standard$19.50~~AED 72 per month~~

With batch −50%$9.75~~AED 36 per month~~

With caching on input$18.15~~AED 67 per month~~

Standard$97.50~~AED 358 per month~~

With batch −50%$48.75~~AED 179 per month~~

With caching on input$90.75~~AED 333 per month~~

Standard$390~~AED 1,432 per month~~

With batch −50%$195~~AED 716 per month~~

With caching on input$363~~AED 1,333 per month~~

Assumes a 1:3 input-to-output ratio, which is typical for chat and generation. Dirham figures use 3.6725 per dollar. Batch and caching discounts apply where the vendor offers them.

Compared with alternatives

How GPT-Realtime-2.1 Mini sits against its neighbours in this rating. Tap a card to open that model.

Kimi K2.5

Cheaper

Moonshot AI

$0.45 / $2.25262.1K tokens

Qwen3.5-122B-A10B

Closest match

Alibaba (Qwen)

$0.29 / $2.4262.1K tokens

Grok 4.3

Step up

xAI

$1.25 / $2.51M tokens

Good and poor fit

Good fit

Reading screenshots, charts, scanned documents and photos.
Live voice conversation where turn-taking latency matters.
High-volume routing, classification and autocomplete.

Poor fit

Long multi-step reasoning, where a larger model finishes in fewer attempts.
Integrations that depend on structured function calls.

Related filters

Text & chat234 models for text generation and chat

Vision159 models that read images

Realtime voice7 models for live voice conversation

Code execution47 models that run code in a sandbox

Prompt caching153 models with cheap repeated context

OpenAI30 models from this vendor

All 245 modelsThe full rating with filters and prices

Frequently asked questions

How much does GPT-Realtime-2.1 Mini cost?

$0.6 / $2.4 per 1M tokens, input and output. In dirhams that is roughly AED 2.20 per 1M input tokens. Batch processing halves it where the vendor offers it.

What is the context window of GPT-Realtime-2.1 Mini?

128K tokens in a single conversation.

What can GPT-Realtime-2.1 Mini do?

In this rating it is recorded with: text & chat, vision, audio, realtime voice, structured JSON output, code execution, prompt caching, batch API, priority / fast tier, low latency, multilingual, proprietary API.

Is GPT-Realtime-2.1 Mini a good choice?

It depends on the job. See the good-fit and poor-fit lists above, and compare against the neighbouring models before committing.

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