Voxtral Realtime vs GPT Realtime Mini: Voice API Cost

Voxtral Realtime vs GPT Realtime Mini
Complete Comparison: 1,000 input tokens × 1,000 output tokens
Comparison Mode
🎧 60min Audio

Complete comparison of pricing, performance, and capabilities for 2 leading AI models with 60min Audio.

Comparison Criteria Voxtral Realtime
Mistral
GPT Realtime Mini
OpenAI
Calculation Results (Current Inputs) (60min audio)
Input Tokens N/A (Special Pricing) N/A (Special Pricing)
Output Tokens N/A (Special Pricing) N/A (Special Pricing)
Cost Breakdown
Input Cost N/A (Special Pricing) N/A (Special Pricing)
Output Cost N/A (Special Pricing) N/A (Special Pricing)
Unit Cost (Audio/OCR) $0.000000 $0.000000
Service Fees $0.000000 $0.010000
Total Cost $0.002500 Best Value $0.013000 (rounded ~ $0.01) Most Expensive
Processing Time 4.38 seconds Fastest 8.58 seconds Slowest
Tokens per Second N/A (Special Pricing) N/A (Special Pricing)
Time to First Token 200ms Worst 50ms Best
Cost per 1K tokens N/A (Special Pricing) N/A (Special Pricing)
Tokens per Dollar N/A (Special Pricing) N/A (Special Pricing)
Cost per 1 Million Tokens (Informational)
Information not available - No token-based models in this comparison
Capabilities & Advanced Features
Audio Support
60
✗ Not Supported requested ✓ Supported
Caching Support ✗ Not Supported ✓ Supported
Tool Usage Support ✗ Not Supported ✗ Not Supported
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Select AI Model

Voxtral Realtime
Mistral AIMax Context: 256,000 tokens
$0.500000 / $2.000000 per 1M
▼
▼
Use Batch API (50% discount)
0%
Provider-specific multipliers applied after all calculations
Enable for cache discounts
Select platform to enforce context limits
Number of requests (max 1M). Summary view auto-enabled >10k.

Calculate Token Costs

$0.002500 Total Cost
$0.000500 Input Cost
$0.002000 Output Cost
$0.000000 Unit Cost
$0.000000 Search Cost
$0.000000 Request Fee
$0.000000 Tool Fee
$0.000000 Code Execution
2,000Total Tokens
$0.001250Cost per 1K
800,000Tokens per $
📊 Advanced Cost Breakdown

Processing Speed

4.38s Processing Time
500 Tokens/Second
200ms Time to First Token
476 Effective Speed

Model Comparison

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Model Information

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🔄 Advanced Options

⚡ Optimization
Flat fee per session (e.g., $0.03 for Code Interpreter)
Hourly storage fee for cached data
First 50 hours free, $0.05/hour after
🧠 Reasoning & Thinking
Manual thinking tokens (billed at output rate)
🔧 Special Modes
Enable 6.0x Fast Mode multiplier
📚 Research & Citations
Enable $1.00/$4.00 rates + $10.00/1k search
Enable research tier pricing
Fee per source cited
🎤 Realtime Audio & Video
Session length for billing
📊 Multiple Models Detected: This page contains data for 2 models. See the detailed comparison table above, and switch between models using tabs below.

Voxtral Realtime Mistral

$0.002500
Total Cost
🎧 60min Audio 🔧 Tools
👁️
Vision/Images
✗ Not Available
🎧
Audio Processing
✗ Not Available requested
🎥
Video Analysis
✗ Not Available
🔧
Tool Usage
✗ Not Available requested
📄
OCR Support
✗ Not Available
📊
Batch API
✗ Not Available
⚡
Caching
✗ Not Available

💰 Total Cost Calculation (from Plugin)

Base Cost (No Optimizations) $0.002500 Input: $0.000500
Output: $0.002000
Optimized Cost $0.002500 Input: $0.000500
Output: $0.002000
Unit: $0.000000
Fees: $0.000000

Detailed Cost Analysis (from Plugin)

For 1,000 input tokens and 1,000 output tokens:

  • Input Cost: $0.000500
  • Output Cost: $0.002000
  • Total Cost: $0.002500
  • Cost per 1K tokens: $0.001250
  • Tokens per dollar: 800,000 tokens
  • Context Window: 256000 tokens

Speed & Performance Analysis

With a processing speed of 500 tokens per second and 200ms time to first token:

  • Processing Time: 4.38 seconds
  • Latency: 200 milliseconds to first token
  • Base Throughput: 500 tokens/second
  • Effective Throughput: 476 tokens/second (temperature-adjusted)

Best Use Cases

Live TranslationInteractive NPCsTelephony

Want this applied to YOUR actual stack?

This calculator shows the math for Voxtral Realtime. Your decision needs more — current infrastructure, compliance requirements, actual workload patterns, volume tiers — that change which model is right for you.

Get a $39 personalized AI Architecture Audit. PDF tailored to your stack, delivered in under 60 seconds. 7-day no-questions-asked refund.

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GPT Realtime Mini OpenAI

$0.013000 (rounded ~ $0.01)
Total Cost
🎧 60min Audio 🔧 Tools
👁️
Vision/Images
✗ Not Available
🎧
Audio Processing
✓ Available
🎥
Video Analysis
✗ Not Available
🔧
Tool Usage
✗ Not Available requested
📄
OCR Support
✗ Not Available
📊
Batch API
✗ Not Available
⚡
Caching
✓ Available
90% savings

💰 Total Cost Calculation (from Plugin)

Base Cost (No Optimizations) $0.013000 (rounded ~ $0.01) Input: $0.000600
Output: $0.002400
Optimized Cost $0.013000 (rounded ~ $0.01) Input: $0.000600
Output: $0.002400
Unit: $0.000000
Fees: $0.010000

Advanced Cost Breakdown (from Plugin)

Multimodal Input Details

🎧 Audio
Duration: 60 minutes
Cost: $1.800000

Detailed Cost Analysis (from Plugin)

For 1,000 input tokens and 1,000 output tokens:

  • Input Cost: $0.000600
  • Output Cost: $0.002400
  • Service Fees: $0.010000
  • Total Cost: $0.013000 (rounded ~ $0.01)
  • Cost per 1K tokens: $0.006500 (rounded ~ $0.01)
  • Tokens per dollar: 153,846 tokens
  • Context Window: 128000 tokens

Speed & Performance Analysis

With a processing speed of 250 tokens per second and 50ms time to first token:

  • Processing Time: 8.58 seconds
  • Latency: 50 milliseconds to first token
  • Base Throughput: 250 tokens/second
  • Effective Throughput: 238 tokens/second (temperature-adjusted)

Best Use Cases

Live TranslationInteractive NPCsTelephony

Want this applied to YOUR actual stack?

This calculator shows the math for GPT Realtime Mini. Your decision needs more — current infrastructure, compliance requirements, actual workload patterns, volume tiers — that change which model is right for you.

Get a $39 personalized AI Architecture Audit. PDF tailored to your stack, delivered in under 60 seconds. 7-day no-questions-asked refund.

Get my instant AI audit — $39 →

✨ Market Recommendations AI Model Registry

← Back to Voxtral Realtime
📋 Active Input Parameters
Input Tokens: 1,000
Output Tokens: 1,000
Audio: 60 minutes
Tools: Enabled
Rank AI Model & Provider Total Cost vs Voxtral Realtime vs GPT Realtime Mini
🏆 Gemini 3.1 Flash Lite
Google
 $0.030550 Best Value ↑ 1122% more ↑ 135% more
🥈 Gemini 2.5 Flash
Google
 $0.037360 (rounded ~ $0.04) ↑ 1394.4% more ↑ 187.4% more
🥉 Gemini 3.1 Flash
Google
 $0.061100 (rounded ~ $0.06) ↑ 2344% more ↑ 370% more
#4 Grok 4.3
xAI
 $0.147750 (rounded ~ $0.15) ↑ 5810% more ↑ 1036.5% more
#5 Gemini 2.5 Pro
Google
 $0.155250 (rounded ~ $0.16) ↑ 6110% more ↑ 1094.2% more
#6 Gemini 3.5 Flash
Google
 $0.183300 (rounded ~ $0.18) ↑ 7232% more ↑ 1310% more
#7 Gemini 3.5 Flash
Google
 $0.183300 (rounded ~ $0.18) ↑ 7232% more ↑ 1310% more
🏆

Gemini 3.1 Flash Lite
Google

$0.030550
vs Voxtral Realtime: ↑ 1122%
vs GPT Realtime Mini: ↑ 135%
🥈

Gemini 2.5 Flash
Google

$0.037360 (rounded ~ $0.04)
vs Voxtral Realtime: ↑ 1394.4%
vs GPT Realtime Mini: ↑ 187.4%
🥉

Gemini 3.1 Flash
Google

$0.061100 (rounded ~ $0.06)
vs Voxtral Realtime: ↑ 2344%
vs GPT Realtime Mini: ↑ 370%
#4

Grok 4.3
xAI

$0.147750 (rounded ~ $0.15)
vs Voxtral Realtime: ↑ 5810%
vs GPT Realtime Mini: ↑ 1036.5%
#5

Gemini 2.5 Pro
Google

$0.155250 (rounded ~ $0.16)
vs Voxtral Realtime: ↑ 6110%
vs GPT Realtime Mini: ↑ 1094.2%
#6

Gemini 3.5 Flash
Google

$0.183300 (rounded ~ $0.18)
vs Voxtral Realtime: ↑ 7232%
vs GPT Realtime Mini: ↑ 1310%
#7

Gemini 3.5 Flash
Google

$0.183300 (rounded ~ $0.18)
vs Voxtral Realtime: ↑ 7232%
vs GPT Realtime Mini: ↑ 1310%
✨ How recommendations work (v8.6.0): We scan all active models in the registry and only include those that support ALL your current inputs. For token-based models, we check if they can handle your token counts. For special pricing models (OCR, video, audio), we verify they have the correct pricing structure. Features marked requested were in your inputs but not supported by that model. Now using official provider pricing without reseller markups.

The Battle for Real-time Speech

Compare Mistral’s Voxtral Realtime with OpenAI’s Realtime Mini. We analyze native audio token pricing and the latency trade-offs for production-ready voice applications.

Frequently Asked Questions

How accurate are these AI model cost calculations?
Our calculations are based on official pricing from each provider (Google, OpenAI, Anthropic, Meta, xAI, Perplexity, DeepSeek, Mistral) and are updated regularly. We account for all factors including multimodal inputs, caching discounts, batch API pricing, tool usage multipliers, OCR processing, audio minutes, silence fees, and research mode pricing. Note: Reseller markups and dedicated instance multipliers have been removed to reflect official provider pricing.
How does audio billing work?
Audio models are billed by token, not by minute. Voxtral Small 24B costs $0.10 per 1M input tokens and $0.30 per 1M output tokens, matching Mistral Small 3. GPT Realtime Mini uses standard token billing. There are no silence keep-alive surcharges or per-minute duration fees on either provider.
How do Market Recommendations work (v8.6.0)?
Our recommendation engine scans the entire model registry and only includes models that support ALL your current input parameters (tokens, images, video, audio, OCR, tools, batch API, etc.). It calculates exact costs with your settings and sorts by price, showing you the best value options that can handle your complete workflow. Special pricing models (OCR, video, audio, image generation) are properly handled and only appear when their specific input types are requested. v8.6.0 removes reseller markups (20% buffer) and dedicated instance multipliers to reflect official provider pricing.
What is the YemHub AI Calculator Tool?
The YemHub AI Calculator is the most comprehensive tool for estimating costs and comparing performance metrics across 50+ AI models. It calculates token-based pricing, analyzes multimodal processing, accounts for state-dependent pricing (context cliffs, tiered tunnels), provides optimization recommendations, and now offers intelligent market matching to find the best alternatives for your specific needs.