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GPT-5.2 vs Llama 3.1 8B Instruct

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for GPT-5.2 and Llama 3.1 8B Instruct.

OpenAI

GPT-5.2

GPT-5.2 is the latest frontier-grade model in the GPT-5 series, offering stronger agentic and long context perfomance compared to GPT-5.1. It uses adaptive reasoning to allocate computation dynamically, responding quickly...

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Meta

Llama 3.1 8B Instruct

Meta's latest class of model (Llama 3.1) launched with a variety of sizes & flavors. This 8B instruct-tuned version is fast and efficient. It has demonstrated strong performance compared to...

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Technical Specifications

SpecificationGPT-5.2Llama 3.1 8B Instruct
ProviderOpenAIMeta
Context Window400,000 tokens131,072 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apiself hostable
Production Stabilitystablestable
API AvailableYesYes
Released Date2025-12-102024-07-23

API Pricing Comparison

Input Price per Million Tokens

GPT-5.2

$1.75

Llama 3.1 8B Instruct

$0.02

Output Price per Million Tokens

GPT-5.2

$14.00

Llama 3.1 8B Instruct

$0.03

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

GPT-5.2 Quirks & Gotchas

No developer gotchas reported.

Llama 3.1 8B Instruct Quirks & Gotchas

No developer gotchas reported.