RETRO XL vs StableLM 14B

Comprehensive side-by-side comparison of pricing, performance benchmarks, and capabilities

At a Glance

Best Overall Performance

RETRO XL

Higher overall benchmarks

Best for Coding

RETRO XL

88% coding score

Best for Reasoning

RETRO XL

88.5% reasoning score

Best MMLU Score

RETRO XL

89% general knowledge

Compare Different Models

Detailed Comparison

Feature RETRO XL StableLM 14B Winner
Provider DeepMind Stability AI
Context Window 128k 64k
MMLU Score

General knowledge & reasoning

89% 85% RETRO XL
Coding Score

Code generation & debugging

88% 84% RETRO XL
Reasoning Score

Logic & problem-solving

88.5% 84.8% RETRO XL
Release Date 2025 2026
Vision Support ✓ Yes
Function Calling ✓ Yes ✓ Yes

Performance Comparison

MMLU (General Knowledge)

Difference: 4.0%
RETRO XL 89%
StableLM 14B 85%

Coding Performance

Difference: 4.0%
RETRO XL 88%
StableLM 14B 84%

Reasoning & Logic

Difference: 3.7%
RETRO XL 88.5%
StableLM 14B 84.8%

Expert Analysis

Performance Analysis

RETRO XL achieves superior scores across 3 of 3 key benchmarks, including coding (88%), demonstrating stronger general capabilities.

Final Verdict

Our comprehensive recommendation based on all factors

Both models show comparable coding performance, with less than 5 points separating them on benchmark tests. Enterprise teams requiring maximum accuracy should invest in RETRO XL for demanding workloads and complex tasks.

Our Recommendation

Choose RETRO XL for applications where response quality directly impacts business outcomes, or evaluate both models based on your specific use case requirements.

Best For These Use Cases

RETRO XL Excels At:

  • Academic research AI
  • Document retrieval augmentation
  • Scientific content generation
  • Knowledge discovery
  • Research assistants

StableLM 14B Excels At:

  • Open research
  • Self-hosted assistants
  • Content generation
  • Fine-tuning experiments
  • Creative assistants

Strengths & Weaknesses

RETRO XL

Strengths

  • RAG optimized
  • High-quality reasoning
  • Strong academic benchmarks
  • Open research integration

Considerations

  • Closed deployment options
  • Complex self-hosting
  • Limited enterprise tooling
  • High compute
Full RETRO XL Review →

StableLM 14B

Strengths

  • Open weights
  • Good reasoning for size
  • Strong community ecosystem
  • Creative output quality

Considerations

  • Moderate vs top hyperscaler models
  • Moderate hallucination control
  • Requires tuning for enterprise safety
  • Less multimodal tooling
Full StableLM 14B Review →

Frequently Asked Questions

Which is better: RETRO XL or StableLM 14B?

RETRO XL offers superior overall performance with higher benchmark scores across MMLU, coding, and reasoning tests. The best choice depends on your specific use case requirements and performance priorities.

What are the key differences?

RETRO XL leads in overall performance with higher benchmark scores, while StableLM 14B may offer advantages in specific areas like context window size or specialized capabilities. Both models have their strengths depending on your particular needs.

Which is better for coding?

RETRO XL leads in coding performance with a score of 88%, making it 4.0 percentage points ahead of StableLM 14B. This makes RETRO XL the superior choice for software development, code generation, and debugging tasks.

Can I use both models together?

Yes! Many organizations use multiple models strategically: one model for routine tasks where efficiency matters, and another for complex, mission-critical applications requiring maximum accuracy. This hybrid approach optimizes both performance and resource utilization across different use cases.

How often are these benchmarks updated?

We update all benchmark scores and pricing data daily to reflect the latest model versions and API pricing changes. Benchmark scores are sourced from official documentation, independent testing platforms like Artificial Analysis, and peer-reviewed academic evaluations. Last updated: 2/2/2026.

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