markbaseengine/AVAILABLE_MODELS_SUMMARY.md

Available Models Summary

Tested and Ready for Use

Date: 2026-06-20
Device: M5Max48 (48GB RAM)

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✅ Production Ready Models

1. Gemma-4-26B-Standard-4bit ✅ TESTED & RECOMMENDED

Location: /Users/accusys/MarkBase12B/models/gemma-4-26b-standard/

Details:

• Format: 4-bit quantized (bits=4, group_size=32, quant_method=custom)
• Size: 15GB (model.safetensors)
• Status: ✅ PRODUCTION READY

Performance:

• Speed: 40 tok/s ⭐⭐⭐⭐⭐
• Memory: ~17GB
• Load time: 5.3s
• Hidden size: 2816
• Layers: 30

Recommendation: ⭐⭐⭐⭐⭐ BEST CHOICE for M5Max48

Note: Despite the name "standard", this is already 4-bit quantized (verified in config.json).

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2. Gemma-4-26B-A4B-IT-4bit (MoE)

Location: /Users/accusys/MarkBase12B/models/gemma-4-26b-a4b-it-4bit/

Details:

• Format: 4-bit quantized
• Size: ~15.6GB (split into 3 parts)
• Structure: MoE on all 30 layers
• Status: ❌ BLOCKED (requires MoE implementation)

Note: All layers use Mixture of Experts (MoE). Cannot test without implementing MoE support.

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3. Gemma-4-31B-IT-4bit ✅ TESTED

Location: /Users/accusys/MarkBase12B/models/gemma-4-31b-it-4bit/

Details:

• Format: 4-bit quantized
• Size: 18.4GB (split into 4 parts)
• Structure: Dense (no MoE!)
• Layers: 60
• Hidden size: 5376
• Status: ✅ WORKING

Performance:

• Speed: 11.7 tok/s
• Memory: ~20GB
• Load time: 63.8s

Recommendation: ⭐⭐⭐⭐ (Good for capacity, slower speed)

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4. E4B-MarkBase (Reference)

Location: /Users/accusys/MarkBase12B/models/E4B-MarkBase/

Details:

• Format: Original
• Status: Reference model for comparison

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❌ Missing Models

Gemma-4-26B-8bit

Status: ❌ NOT AVAILABLE

Expected:

• Format: 8-bit quantized
• Size: ~15GB
• Speed: ~30-35 tok/s
• Memory: ~30GB

Action Needed:

• Quantize from original 26B
• Or download from HuggingFace

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Gemma-4-26B-8bit

Status: ❌ NOT AVAILABLE

Expected:

• Format: 8-bit quantized
• Size: ~15GB
• Speed: ~30-35 tok/s
• Memory: ~30GB

Action Needed:

• Quantize from 26B-standard (15GB)
• Or download from HuggingFace

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Summary Table

Model	Format	Size	Status	Speed	Recommend
26B-Standard	4-bit	15GB	✅ Ready	40 tok/s	⭐⭐⭐⭐⭐
26B-A4B-IT	4-bit MoE	15.6GB	❌ Blocked	-	❌
31B-IT	4-bit	18.4GB	✅ Ready	11.7 tok/s	⭐⭐⭐⭐
26B-8bit	8-bit	~15GB	❌ Missing	-	⭐⭐⭐⭐⭐ (future)
E4B-MarkBase	Original	-	Reference	-	-

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Current Best Options

✅ Available Now

Gemma-4-26B-Standard-4bit (RECOMMENDED):

• ✅ Works immediately
• ✅ Fastest speed (40 tok/s)
• ✅ Lowest memory (17GB)
• ✅ Quick load (5.3s)
• ✅ Production validated

Gemma-4-31B-IT-4bit:

• ✅ Works immediately
• ✅ Dense structure (no MoE)
• ✅ More capacity (31B params)
• ⚠️ Slower (11.7 tok/s)
• ⚠️ Longer load (64s)

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🔧 Need to Obtain

Gemma-4-26B-Standard-4bit (RECOMMENDED):

• Expected speed: 40+ tok/s
• Expected memory: ~17GB
• Expected load: ~5s
• Status: Need to quantize or download

Gemma-4-26B-8bit (HIGH PRIORITY):

• Expected speed: ~30-35 tok/s
• Expected memory: ~30GB
• Expected precision: Better than 4-bit
• Status: Need to quantize or download

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Next Steps

Option 1: Use 26B-Standard Now (RECOMMENDED)

Action: Use the available 26B-Standard-4bit model

Pros:

• ✅ Available immediately
• ✅ Fastest speed (40 tok/s)
• ✅ Lowest memory (17GB)
• ✅ Production validated

Usage:

cd /Users/accusys/MarkBase12B
swift run G12BServer --model 26b-standard

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Option 2: Use 31B-IT for Capacity

Action: Use 31B-IT-4bit when you need more capacity

Pros:

• ✅ Available immediately
• ✅ Larger capacity (31B)
• ✅ Deeper network (60 layers)

Cons:

• ⚠️ Slower (11.7 tok/s)
• ⚠️ Longer load (64s)

Usage:

cd /Users/accusys/MarkBase12B
swift run G12BServer --model 31b-it

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Option 3: Obtain 26B-8bit for Higher Precision (Future)

Action: Download or quantize 26B-8bit model

Steps:

1. Search HuggingFace for "gemma-4-26b-8bit"
2. Or quantize from original 26B
3. Test 26B-8bit (expected: 30-35 tok/s, better precision)

Pros:

• ✅ Higher precision (8-bit)
• ✅ Good speed (30-35 tok/s)
• ✅ Better quality outputs

Cons:

• ⏳ Need to obtain model
• ⏳ Need to test and validate

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Recommendation

Immediate: ✅ Use 26B-Standard-4bit (PRODUCTION READY)

Why:

• ✅ Fastest speed (40 tok/s)
• ✅ Lowest memory (17GB)
• ✅ Production validated
• ✅ All bugs fixed

Alternative: Use 31B-IT-4bit when you need more capacity (slower but larger)

Future: Obtain 26B-8bit for higher precision (better quality, still fast)

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Clarification: The "26B-Standard" model is ALREADY 4-bit quantized (verified in config.json with "bits": 4). It's ready for production use with 40 tok/s speed.