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GPT-4o-mini (2024-07-18) vs Llama 3.1 8B Instruct

Signal-by-Signal Comparison
SignalGPT-4o-mini (2024-07-18)DeltaLlama 3.1 8B Instruct
Capabilities
67
+17
50
Benchmarks
43
+1
42
Pricing
99
0
100
Context window size
81
0
81
Recency
0
--
0
Output Capacity
67
-14
81
Overall Result
2 wins
of 6
3 wins
Llama 3.1 8B Instruct wins 3 of 6 signals

Score History

Score History (35 data points)
GPT-4o-mini (2024-07-18)Llama 3.1 8B Instruct
GPT-4o-mini (2024-07-18)

46.3

current score

Leader

GPT-4o-mini (2024-07-18)

right now

Llama 3.1 8B Instruct

40.7

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

GPT-4o-mini (2024-07-18)

OpenAI

Per request$0.000450
Daily$1.50
Monthly$45.00
Annual$540.00

Llama 3.1 8B Instruct

Meta

Best Value
Per request$0.000090
Daily$0.30
Monthly$9.00
Annual$108.00

Llama 3.1 8B Instruct saves you $36.00/month

That's $432.00/year compared to GPT-4o-mini (2024-07-18) at your current usage level of 100K calls/month.

80% cheaper
Choose Llama 3.1 8B Instruct for cost optimization

GPT-4o-mini (2024-07-18) pricing:
Input:$0.15/M tokens
Output:$0.60/M tokens
Llama 3.1 8B Instruct pricing:
Input:$0.05/M tokens
Output:$0.08/M tokens
Winner
GPT-4o-mini (2024-07-18)

OpenAI

46

Composite Score

Llama 3.1 8B Instruct

Meta

41

Composite Score

Signal-by-Signal Comparison
MetricGPT-4o-mini (2024-07-18)Llama 3.1 8B InstructWinner
Overall Score
46
41
GPT-4o-mini (2024-07-18)
Rank#182#184
GPT-4o-mini (2024-07-18)
Quality Rank#182#184
GPT-4o-mini (2024-07-18)
Adoption Rank#182#184
GPT-4o-mini (2024-07-18)
Parameters--8B--
Context Window128K131K
Llama 3.1 8B Instruct
Pricing$0.15/$0.60/M$0.05/$0.08/M--
Signal Scores
Capabilities
67
50
GPT-4o-mini (2024-07-18)
Benchmarks
43
42
GPT-4o-mini (2024-07-18)
Pricing
99
100
Llama 3.1 8B Instruct
Context window size
81
81
Llama 3.1 8B Instruct
Recency
0
0
GPT-4o-mini (2024-07-18)
Output Capacity
67
81
Llama 3.1 8B Instruct
Benchmark Head-to-Head(6 benchmarks)
GPT-4o-mini (2024-07-18): 1Llama 3.1: 0
GPT-4o-mini (2024-07-18)
Llama 3.1
Normalized 0-100%
MMLU-Pro
-30.37%
HumanEval
-69.5%
IFEval
-72.05%
BBH
-30.85%
LiveBench
50%-
BigCodeBench
46.1%32.8%
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

GPT-4o-mini (2024-07-18)Entry Level

Scores 46/100 (rank #182), placing it in the top 38% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Llama 3.1 8B InstructEntry Level

Scores 41/100 (rank #184), placing it in the top 37% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

GPT-4o-mini (2024-07-18) has a 6-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose GPT-4o-mini (2024-07-18) when you need:

  • Multimodal workflows that require image understanding

Choose Llama 3.1 8B Instruct when you need:

  • High-volume production workloads where API costs must be minimized
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
GPT-4o-mini (2024-07-18)
Input cost$0.15/M tokens
Output cost$0.60/M tokens
Cost per quality point$0.016
Est. monthly (1M tokens/day)$11.25
Llama 3.1 8B InstructBest Value
Input cost$0.05/M tokens
Output cost$0.08/M tokens
Cost per quality point$0.003
Est. monthly (1M tokens/day)$1.95

Llama 3.1 8B Instruct offers 83% better value per quality point. At 1M tokens/day, you'd spend $1.95/month with Llama 3.1 8B Instruct vs $11.25/month with GPT-4o-mini (2024-07-18) - a $9.30 monthly difference.

Latency & Speed
GPT-4o-mini (2024-07-18)Faster
Speed score0/100
Llama 3.1 8B Instruct
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

GPT-4o-mini (2024-07-18)

Customer support chatbot

Suitable for user-facing chat with competitive response times. Llama 3.1 8B Instruct also offers lower per-token costs for high-volume support

GPT-4o-mini (2024-07-18)

Long document analysis

Larger context window (131K tokens) can process longer documents, contracts, and research papers in a single pass

Llama 3.1 8B Instruct

Batch data extraction

Lower output pricing ($0.08/M) reduces costs when processing thousands of records daily

Llama 3.1 8B Instruct

Creative writing & content

Higher overall composite score (46/100) correlates with better nuance, coherence, and style in long-form content

GPT-4o-mini (2024-07-18)

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

GPT-4o-mini (2024-07-18)
Which Should You Choose?
Our recommendation:
GPT-4o-mini (2024-07-18)

GPT-4o-mini (2024-07-18) has a moderate advantage with a 5.599999999999994-point lead in composite score. It wins on more signal dimensions, but Llama 3.1 8B Instruct has specific strengths that could make it the better choice for certain workflows.

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by Meta

  • Choose for Cost - 83% lower pricing; better value at scale
Capability Comparison
CapabilityGPT-4o-mini (2024-07-18)Llama 3.1 8B Instruct
Vision (Image Input)differs
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

GPT-4o-mini (2024-07-18)

OpenAI

$0.9900
estimated monthly cost

Llama 3.1 8B Instruct

Meta

Best Value
$0.1860
estimated monthly cost

Llama 3.1 8B Instruct saves you $0.8040/month

That's 81% cheaper than GPT-4o-mini (2024-07-18) at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterGPT-4o-mini (2024-07-18)Llama 3.1 8B Instruct
Context Window128K131K
Max Output Tokens16,384117,964
Open SourceNoYes
CreatedJul 18, 2024Jul 23, 2024
Last updated: just now

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GPT-4o-mini (2024-07-18) vs Llama 3.1 8B Instruct (2026) | LM Market Cap