Gemini 3.1 Flash vs Voxtral Small 24B: Cost-Effective Transcription for 60-Minute Podcasts

Gemini 3.1 Flash vs Voxtral Small 24B
Complete Comparison: 100,000 input tokens × 2,000 output tokens
Comparison Mode
🎧 60min Audio ⚡ 50% Cached

Complete comparison of pricing, performance, and capabilities for 2 leading AI models with 60min Audio, 50% Cached.

⚡ Caching Optimized (up to 90% savings) 📊 Batch API
Comparison Criteria Gemini 3.1 Flash
Google
Voxtral Small 24B
Mistral AI
Calculation Results (Current Inputs) (60min audio, 50% cached)
Input Tokens 100,000 100,000
Output Tokens 2,000 2,000
Cost Breakdown
Input Cost $0.107600 (rounded ~ $0.11)Worst $0.002500Best
Output Cost $0.006000 (rounded ~ $0.01)Worst $0.000150Best
Unit Cost (Audio/OCR) $0.000000 $0.000000
Service Fees $0.000000 $0.000000
Total Cost $0.065180 (rounded ~ $0.07) Most Expensive $0.001525 Best Value
Processing Time 4 minutes, 37.11 seconds Slowest 4 minutes, 20.28 seconds Fastest
Tokens per Second 800Fastest 400Slowest
Time to First Token 100ms Best 150ms Worst
Cost per 1K tokens $0.000300Worst $0.000015Best
Tokens per Dollar 3,332,311Worst Value 66,885,246Best Value
Cost per 1 Million Tokens (Informational)
Input Cost / 1M (Base) $0.500000Worst $0.025000 (rounded ~ $0.03)Best
Output Cost / 1M (Base) $3.000000Worst $0.075000 (rounded ~ $0.08)Best
Input Cost / 1M (Optimized) $0.250000Worst
Optimizations: 50.0% batch
$0.012500 (rounded ~ $0.01)Best
Optimizations: 50.0% batch
Output Cost / 1M (Optimized) $1.500000Worst
Optimizations: 50.0% batch
$0.037500 (rounded ~ $0.04)Best
Optimizations: 50.0% batch
Capabilities & Advanced Features
Images Support ✓ Supported ✗ Not Supported
Video Support ✓ Supported ✗ Not Supported
Audio Support
60
✓ Supported ✓ Supported
Caching Support
50
✓ Supported ✓ Supported
Batch API Support ✓ Supported ✓ Supported
Tool Usage Support ✓ Supported ✗ Not Supported
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2

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All other parameters will be preserved from the current comparison.

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Select AI Model

Gemini 3.1 Flash
GoogleMax Context: 1,000,000 tokens
$0.5 / $3 per 1M tokens (Tier 1)
State-dependent pricing active. Current tier: Standard
Use Batch API (50% discount)
50%
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.
Will auto-convert to minutes for Voxtral models (9000 tokens = 1 min)
$0.067 per 1,000 pixels

Calculate Token Costs

$0.053800 Input Cost
$0.006000 Output Cost
$0.000000 Unit Cost
$0.000000 Search Cost
$0.000000 Request Fee
$0.000000 Tool Fee
$0.000000 Code Execution
217,200Total Tokens
$0.000300Cost per 1K
3,332,311Tokens per $
🔄 Dynamic Tier Pricing Active: Using Premium pricing (tier2) based on token volume.
📊 Advanced Cost Breakdown

Processing Speed

4m 37s Processing Time
800 Tokens/Second
100ms Time to First Token
784 Effective Speed

Model Comparison

Select a model to see comparisons with competitors.

Model Information

Select a model to see detailed information.

🔄 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.

Gemini 3.1 Flash Google 1000000

$0.065180 (rounded ~ $0.07)
Total Cost
🎧 60min Audio ⚡ 50% Cached 📊 Batch API 🔧 Tools
👁️
Vision/Images
✓ Available
🎧
Audio Processing
✓ Available
🎥
Video Analysis
✓ Available
🔧
Tool Usage
✓ Available
📄
OCR Support
✗ Not Available
📊
Batch API
✓ Available
Caching
✓ Available
90% savings

💰 Total Cost Calculation (from Plugin)

Base Cost (No Optimizations) $0.113600 (rounded ~ $0.11) Input: $0.107600 (rounded ~ $0.11)
Output: $0.006000 (rounded ~ $0.01)
Optimized Cost $0.065180 (rounded ~ $0.07) Input: $0.107600 (rounded ~ $0.11)
Output: $0.006000 (rounded ~ $0.01)
Unit: $0.000000
Fees: $0.000000
Total Savings $0.048420 (rounded ~ $0.05) 42.6% discount

Advanced Cost Breakdown (from Plugin)

🖼️ Multimodal Input
$0.000000
115,200 tokens
📊 Batch API
50.0% off
Asynchronous processing discount
📊 Dynamic Tier
Premium
tier2 pricing based on 0 tokens

Multimodal Input Details

🎧 Audio
Duration: 60 minutes
Cost: $0.000000

Detailed Cost Analysis (from Plugin)

For 100,000 input tokens and 2,000 output tokens:

  • Input Cost: $0.107600 (rounded ~ $0.11)
  • Output Cost: $0.006000 (rounded ~ $0.01)
  • Total Cost: $0.065180 (rounded ~ $0.07)
  • Cost per 1K tokens: $0.000300
  • Tokens per dollar: 3,332,311 tokens
  • Context Window: 1000000 tokens

Speed & Performance Analysis

With a processing speed of 800 tokens per second and 100ms time to first token:

  • Processing Time: 4 minutes, 37.11 seconds
  • Latency: 100 milliseconds to first token
  • Base Throughput: 800 tokens/second
  • Effective Throughput: 784 tokens/second (temperature-adjusted)

Best Use Cases

Gemini 3.1 Flash is ideal for integrated multimodal workflowswhile Voxtral Small 24B offers specializedhighly optimized transcription performance.

Want this applied to YOUR actual stack?

This calculator shows the math for Gemini 3.1 Flash. 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 →

Voxtral Small 24B Mistral AI

$0.001525
Total Cost
⚠️ Bulk Calculation: Total volume exceeds single-request limit of 32,000 tokens. Budgeting mode active.
🎧 60min Audio ⚡ 50% Cached 📊 Batch API 🔧 Tools
👁️
Vision/Images
✗ Not Available
🎧
Audio Processing
✓ Available
🎥
Video Analysis
✗ Not Available
🔧
Tool Usage
✗ Not Available requested
📄
OCR Support
✗ Not Available
📊
Batch API
✓ Available
Caching
✓ Available
90% savings

💰 Total Cost Calculation (from Plugin)

Base Cost (No Optimizations) $0.002650 Input: $0.002500
Output: $0.000150
Optimized Cost $0.001525 Input: $0.002500
Output: $0.000150
Unit: $0.000000
Fees: $0.000000
Total Savings $0.001125 42.5% discount

Advanced Cost Breakdown (from Plugin)

📊 Batch API
50.0% off
Asynchronous processing discount

Detailed Cost Analysis (from Plugin)

For 100,000 input tokens and 2,000 output tokens:

  • Input Cost: $0.002500
  • Output Cost: $0.000150
  • Total Cost: $0.001525
  • Cost per 1K tokens: $0.000015
  • Tokens per dollar: 66,885,246 tokens
  • Context Window: 32000 tokens

Speed & Performance Analysis

With a processing speed of 400 tokens per second and 150ms time to first token:

  • Processing Time: 4 minutes, 20.28 seconds
  • Latency: 150 milliseconds to first token
  • Base Throughput: 400 tokens/second
  • Effective Throughput: 392 tokens/second (temperature-adjusted)

Best Use Cases

Gemini 3.1 Flash is ideal for integrated multimodal workflowswhile Voxtral Small 24B offers specializedhighly optimized transcription performance.

Want this applied to YOUR actual stack?

This calculator shows the math for Voxtral Small 24B. 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 Gemini 3.1 Flash
📋 Active Input Parameters
Input Tokens: 100,000
Output Tokens: 2,000
Batch API: Enabled (50% discount)
Cached Tokens: 50%
Audio: 60 minutes
Tools: Enabled
Rank AI Model & Provider Total Cost vs Gemini 3.1 Flash vs Voxtral Small 24B
🏆 Gemini 3.1 Flash Lite
Google
$0.008148 (rounded ~ $0.01) Best Value ↓ 87.5% cheaper ↑ 434.3% more
🥈 Gemini 3.5 Flash-Lite
Google
$0.010127 ↓ 84.5% cheaper ↑ 564.1% more
🥉 Gemini 2.5 Flash
Google
$0.010127 ↓ 84.5% cheaper ↑ 564.1% more
#4 Gemini 3.8 Flash
Google
$0.024068 (rounded ~ $0.02) ↓ 63.1% cheaper ↑ 1478.2% more
#5 Gemini 3.6 Flash
Google
$0.048135 (rounded ~ $0.05) ↓ 26.2% cheaper ↑ 3056.4% more
#6 Gemini 3.5 Flash
Google
$0.048885 (rounded ~ $0.05) ↓ 25% cheaper ↑ 3105.6% more
#7 Gemini 2.5 Pro
Google
$0.162950 (rounded ~ $0.16) ↑ 150% more ↑ 10585.2% more
#8 Grok 4.3
xAI
$0.244720 (rounded ~ $0.24) ↑ 275.5% more ↑ 15947.2% more
#9 Grok 4.3
xAI
$0.244720 (rounded ~ $0.24) ↑ 275.5% more ↑ 15947.2% more
🏆

Gemini 3.1 Flash Lite
Google

$0.008148 (rounded ~ $0.01)
vs Gemini 3.1 Flash: ↓ 87.5%
vs Voxtral Small 24B: ↑ 434.3%
🥈

Gemini 3.5 Flash-Lite
Google

$0.010127
vs Gemini 3.1 Flash: ↓ 84.5%
vs Voxtral Small 24B: ↑ 564.1%
🥉

Gemini 2.5 Flash
Google

$0.010127
vs Gemini 3.1 Flash: ↓ 84.5%
vs Voxtral Small 24B: ↑ 564.1%
#4

Gemini 3.8 Flash
Google

$0.024068 (rounded ~ $0.02)
vs Gemini 3.1 Flash: ↓ 63.1%
vs Voxtral Small 24B: ↑ 1478.2%
#5

Gemini 3.6 Flash
Google

$0.048135 (rounded ~ $0.05)
vs Gemini 3.1 Flash: ↓ 26.2%
vs Voxtral Small 24B: ↑ 3056.4%
#6

Gemini 3.5 Flash
Google

$0.048885 (rounded ~ $0.05)
vs Gemini 3.1 Flash: ↓ 25%
vs Voxtral Small 24B: ↑ 3105.6%
#7

Gemini 2.5 Pro
Google

$0.162950 (rounded ~ $0.16)
vs Gemini 3.1 Flash: ↑ 150%
vs Voxtral Small 24B: ↑ 10585.2%
#8

Grok 4.3
xAI

$0.244720 (rounded ~ $0.24)
vs Gemini 3.1 Flash: ↑ 275.5%
vs Voxtral Small 24B: ↑ 15947.2%
#9

Grok 4.3
xAI

$0.244720 (rounded ~ $0.24)
vs Gemini 3.1 Flash: ↑ 275.5%
vs Voxtral Small 24B: ↑ 15947.2%
✨ 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.

For creators and technical teams managing consistent audio workloads—such as a 60-minute podcast episode—choosing the right transcription model is essential for balancing operational overhead with output quality. The decision often hinges on whether your pipeline requires a general-purpose multimodal engine or a specialized tool designed specifically for audio intelligence.

Gemini 3.1 Flash is well-regarded for its tight integration with broader AI workflows. It excels in scenarios where transcription is just the first step in a larger process, such as automatically summarizing content, generating show notes, or identifying key themes across multi-hour archives. Because of its multimodal capabilities, Gemini 3.1 Flash can process audio files directly without the need for a separate speech-to-text pre-processing layer, which simplifies your architecture significantly.

Voxtral Small 24B takes a different approach, prioritizing specialized audio intelligence. It leverages an architecture tuned for speech processing, making it highly effective for tasks where transcription accuracy and structured output—such as multi-speaker attribution or dialect handling—are the top priorities. Developers often prefer Voxtral for its predictable performance in dedicated transcription pipelines, where the primary goal is turning audio into structured, searchable text with high fidelity.

Ultimately, if your workflow is heavily integrated with other AI agents or automated post-processing, Gemini 3.1 Flash offers a unified, frictionless environment. Conversely, if your project demands a high-performance, specialized transcription engine with granular control over audio-specific inputs, Voxtral Small 24B provides a robust, efficient alternative. Consider whether you need the broad reasoning capabilities of a general-purpose model or the streamlined precision of an audio-focused architecture.

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 does prompt caching work?
Caching discounts vary by provider: Google and OpenAI offer 90% discounts on cached input tokens. Anthropic uses write (1.25x) and read (0.10x) multipliers. Savings are applied to the token portion only, not unit-based fees.
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.