Model Comparison

GPT-4o mini
vs. Llama 3.1 Instruct 8B

Comparing 2 AI models · 12 benchmarks · OpenAI, Meta

Recommended Pick

OpenAI logo GPT-4o mini 11 metric wins

Strongest on: Reasoning, Intelligence, Math

Best Value

Meta logo

Llama 3.1 Instruct 8B

100.0 value score

15.9 reasoning / $0.10/1M

Lowest Price

Meta logo

Llama 3.1 Instruct 8B

$0.10/1M input price

Best Reasoning

OpenAI logo

GPT-4o mini

25.6 reasoning score

Blends available reasoning benchmarks

Best for Coding

Meta logo

Llama 3.1 Instruct 8B

4.9 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

Llama 3.1 Instruct 8B has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Llama 3.1 Instruct 8B is 1.5x cheaper on input tokens than GPT-4o mini.

Speed gap

Llama 3.1 Instruct 8B generates about 2.9x as many tokens per second as GPT-4o mini.

Reasoning gap

GPT-4o mini leads Llama 3.1 Instruct 8B by 9.7 points on reasoning.

Top-pick rationale

GPT-4o mini wins 11 measurable categories, including Reasoning, Intelligence, Math, GPQA.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

OpenAI logo

GPT-4o mini

OpenAI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
Meta logo

Llama 3.1 Instruct 8B

Meta

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

AI Chat

Chat with 80+ models

Inference API

EU-hosted inference

Full Comparison

Metric
Top Pick
OpenAI logo GPT-4o mini
OpenAI
Meta logo Llama 3.1 Instruct 8B
Meta
Pricing per 1M tokens
Input Cost $0.15/1M$0.10/1M
Output Cost $0.60/1M$0.10/1M
Blended (3:1) $0.26/1M$0.10/1M
Specifications
Organization OpenAIMeta
Release Date Jul 18, 2024Jul 23, 2024
Performance & Speed
Throughput 71.7 tok/s205.1 tok/s
TTFT 587ms564ms
Latency 587ms564ms
Composite Indices
Value Score 61.4100.0
Reasoning Score 25.615.9
Intelligence 12.611.8
Coding 4.9
Math 14.74.3
Standard Benchmarks
GPQA 42.6%25.9%
MMLU Pro 64.8%47.6%
HLE 4.0%5.1%
LiveCodeBench 23.4%11.6%
MATH 500 78.9%51.9%
AIME 2025 14.7%4.3%
AIME (Original) 11.7%7.7%
SciCode 22.9%13.2%
LCR 15.7%
IFBench 31.0%28.6%
TAU-bench v2 16.4%
TerminalBench Hard 0.8%

Key Takeaways

Llama 3.1 Instruct 8B offers the best value at $0.10/1M, making it ideal for high-volume applications and cost-conscious projects.

GPT-4o mini has the strongest reasoning profile with a 25.6 reasoning score, combining the available reasoning-heavy benchmarks.

Llama 3.1 Instruct 8B reaches a 4.9 coding index, making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

OpenAI logo

GPT-4o mini

  • Complex reasoning tasks
  • Research & analysis
Meta logo

Llama 3.1 Instruct 8B

  • Cost-sensitive applications
  • High-volume processing
  • Code generation
  • Software development