AI Rate CardBase model
GPT-Realtime-2.1
from $3.20 at 5 providers
openai/gpt-realtime-2.1 · 5 providers · Speech to speech ·
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Ranges in one field: "from-to" - "0.5-3", "-3" (up to), "128k-" (from); a colon works too. Several ticked values of one column are ORed, columns are ANDed.
Input price history, $/1M
Latest: minimum $3.20, median $4.00 (Nov 4, 2026)
The GPT family - base models: 241
- gpt
- OpenAI ChatGPT-4o 2
- GPT-3.5-turbo 13
- OpenAI: GPT-3.5 Turbo 16k 6
- OpenAI: GPT-3.5 Turbo (older v0613) 3
- GPT-3.5 Turbo 1106 6
- GPT-3.5 Turbo Instruct 8
- GPT-3.5-Turbo-Raw 1
- GPT-4 9
- gpt-4.5-0227 1
- gpt-4-8k 1
- gpt-4-32k 1
- gpt-4-1106-preview 1
- GPT-4-Classic 1
- GPT-4 Turbo 13
- gpt-4-turbo128k 1
- gpt-4-turbo-128k 1
- gpt-4-turbo-batch-128k 1
- GPT-4 Turbo Vision 1
- gpt-4-turbo-vision-128k 1
- GPT-4.1 25
- GPT-4o 24
- GPT-4o (2024-05-13) 10
- GPT-4o (2024-08-06) 10
- gpt-4o-2024-08-06-global 1
- GPT-4o (2024-11-20) 9
- gpt-4o-audio-0603 1
- gpt-4o-audio-1217 1
- GPT-4o-Aug 1
- GPT 4o Image 1
- GPT-4o mini Audio 1
- gpt-4o-mini-audio-preview 2
- gpt-4o-mini-global 1
- gpt-4o-mini-realtime-preview 1
- gpt-4o-mini-search-preview 1
- gpt-4o-mini-trscb-1215 1
- gpt-4o-realtime 1
- gpt-4o-realtime-audio-0603 1
- gpt-4o-realtime-audio-1217 1
- gpt-4o-realtime-preview 1
- gpt-4o-realtime-prvw 1
- gpt-4o-realtime-prvw-regn 1
- gpt-4o-realtime-regn 1
- gpt-4o-realtime-text-0603 1
- gpt-4o-realtime-text-1217 1
- gpt-4o-realtime-txt-0603 1
- gpt-4o-realtime-txt-1217 1
- gpt-4o-realtimeprvw 1
- gpt-4o-realtimeprvw-regn 1
- gpt-4o-rtime 1
- gpt-4o-rtime-datazone 1
- GPT-4o-Search 1
- gpt-4o-search-preview 1
- gpt-4o-tcrb-d 1
- GPT-4o Transcribe 6
- gpt-4o-transcribe-d 1
- GPT-4o Transcribe Diarize 3
- gpt-4o-zh 1
- gpt-4omini-aud1217 1
- gpt-4omini-realtime-aud1217 1
- gpt-4omini-realtime-txt1217 1
- GPT-5 28
- gpt-5.2-high 1
- gpt-5.2-low 1
- gpt-5-4-high 1
- gpt-5-4-low 1
- gpt-5-5-cyber 1
- gpt-5.5-light 1
- gpt-5.5-r 1
- gpt-5.5-rValue zone 1
- gpt-5.6 2
- gpt-5.6-luna-az 1
- gpt-5.6-luna-es 1
- gpt-5.6-luna-esValue zone 1
- GPT-5.6 Luna · 🇪🇺 EU 1
- OpenAI: GPT-5.6 Luna Pro 5
- GPT-5.6 Luna · 🇺🇸 US 1
- gpt-5.6-sol-az 1
- gpt-5.6-sol-codex 1
- gpt-5-6-sol-disc 1
- gpt-5.6-sol-es 1
- gpt-5.6-sol-esValue zone 1
- GPT-5.6 Sol · 🇪🇺 EU 1
- OpenAI: GPT-5.6 Sol Pro 6
- GPT-5.6 Sol · 🇺🇸 US 1
- gpt-5.6-terra-az 1
- gpt-5.6-terra-es 1
- gpt-5.6-terra-esValue zone 1
- GPT-5.6 Terra · 🇪🇺 EU 1
- OpenAI: GPT-5.6 Terra Pro 5
- GPT-5.6 Terra · 🇺🇸 US 1
- GPT-5 Chat (latest) 6
- gpt-5-codex-ccchd 1
- GPT-5 Image 4
- GPT-5 Image Mini 4
- GPT-5 Search API 2
- gpt-5-search-api-2025-10-14 1
- GPT-5.1 28
- GPT-5.1 Chat 7
- GPT 5.1 Thinking (Fast) 1
- GPT-5.2 28
- OpenAI: GPT-5.2 Chat 1
- GPT-5.2 Chat 10
- GPT-5.3 Chat (latest) 8
- GPT-5.4 36
- GPT-5.4 Image 2 4
- GPT-5.5 32
- GPT-5.5 Instant 1
- GPT-5.6 Cyber 1
- gpt-6 1
- GPT-6.2 Astra 1
- gpt-6-astra-es 1
- OpenAI: GPT-6 Astra Pro ($$$$) 4
- GPT-6 Luna Decisions 2
- gpt-6-luna-pro 4
- gpt-6-rosalind 1
- gpt-6-sol-codex 1
- gpt-6-sol-pro 4
- OpenAI: GPT-6.1 Sol Pro 3
- OpenAI: GPT-6.1 Terra Pro 4
- gpt-35-trb16k 1
- gpt-35-trb16k-batch-125 1
- gpt-35-turbo 1
- gpt-35-turbo4k 1
- gpt-35-turbo16k 1
- gpt-35-turbo16k-0125 1
- gpt-35-turbo16k-1106 1
- gpt-35-turbo-4k 1
- gpt-35-turbo-16k 2
- gpt-35-turbo-instruct 1
- gpt-56luna-flash 1
- gpt-56luna-loco-flash 1
- gpt-56luna-shco-flash 1
- gpt-56sol-flash 1
- gpt-56sol-loco-flash 1
- gpt-56sol-shco-flash 1
- gpt-56terra-flash 1
- gpt-56terra-loco-flash 1
- gpt-56terra-shco-flash 1
- GPT-Audio 6
- GPT-Audio-1.5 6
- OpenAI: GPT Chat Latest 7
- gpt-chat-latest-05052026 1
- gpt-chat-latest-05282026 1
- gpt-chat-latest-07012026 1
- gpt-chat-latest-08062026 1
- gpt-chat-latest-10072026 1
- gpt-daybreak-blue-latest 1
- gpt-daybreak-red-latest 1
- GPT Image 2 [Edit] 1
- GPT Image 1.5 [Edit] 1
- GPT Image 2.5 1
- GPT Image 2.5 [Edit] 1
- gpt image 2.5 flare oai 1
- gpt image 2.5 sunburst oai 1
- GPT Image 2 ALL 1
- GPT Image [Edit] 1
- gpt-image-test 1
- GPT-JT-Moderation (6B) 1
- GPT Latest 2
- GPT-Live 1 4
- GPT-Live-Transcribe 3
- GPT Neox 20B 1
- GPT-NeoXT-Chat-Base-20B 1
- openai.gpt-oss-20b-1:0 1
- gpt-oss-20b-n 1
- gpt-oss-20b-t 1
- openai.gpt-oss-120b-1:0 1
- GPT-OSS-120B-CS 1
- gpt-oss-120b-t 1
- gpt-oss-120b-ultra 4
- GPT-OSS GPT-OSS 20B 1
- gpt-pro-latest 1
- GPT-Realtime 2
- GPT-Realtime-1.5 5
- GPT-Realtime-2 4
- GPT-Realtime-2.1 6
- gpt-realtime-21 1
- gpt-realtime-audio-0828 1
- gpt-realtime-audio-mini 1
- gpt-realtime-audio-mini-1215 1
- gpt-realtime-image-0828 1
- gpt-realtime-image-mini 1
- gpt-realtime-image-mini-1215 1
- gpt-realtime-text-0828 1
- gpt-realtime-text-mini 1
- gpt-realtime-text-mini-1215 1
- GPT-Realtime-Translate 1
- gpt-researcher 1
- gpt-rosalind-discovery 1
- gpt-rosalind-research 1
- GPT-Transcribe 8
- gpt-astra
- gpt-codex
- gpt-codex-mini
- gpt-codex-spark
- gpt-image
- gpt-luna
- gpt-mini
- gpt-nano
- GPT-4.1 nano 22
- GPT-5 Nano 27
- GPT-5.4 nano 27
- gpt-oss
- gpt-pro
- GPT-5 Pro 18
- GPT-5.2 Pro 18
- GPT-5.4 Pro 23
- GPT-5.5 Pro 19
- gpt-sol
- gpt-terra
About the model: cost of your workload, questions, comparisons, citation
Cost of my workload → in the Tools tab: every provider of this model, cheapest first
Frequently asked questions
How much does GPT-Realtime-2.1 API cost?
From $3.20 input and $19.20 output per 1M tokens, at cometapi.
Which provider offers GPT-Realtime-2.1 cheapest?
cometapi offers the lowest price, $3.20 per 1M tokens, among 5 providers.
What is the context window of GPT-Realtime-2.1?
128K tokens.
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Source: AI Rate Card, https://airatecard.com/en/model/openai/gpt-realtime-2.1, prices checked 2026-11-04