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GPT-5.4 Pro vs Llama 3 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-5.4 Pro and Llama 3 8B Instruct.

OpenAI

GPT-5.4 Pro

GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K...

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Meta

Llama 3 8B Instruct

Meta's latest class of model (Llama 3) launched with a variety of sizes & flavors. This 8B instruct-tuned version was optimized for high quality dialogue usecases. It has demonstrated strong...

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Technical Specifications

SpecificationGPT-5.4 ProLlama 3 8B Instruct
ProviderOpenAIMeta
Context Window1,050,000 tokens8,192 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apiself hostable
Production Stabilitybetastable
API AvailableYesYes
Released Date2026-03-052024-04-18

API Pricing Comparison

Input Price per Million Tokens

GPT-5.4 Pro

$30.00

Llama 3 8B Instruct

$0.14

Output Price per Million Tokens

GPT-5.4 Pro

$180.00

Llama 3 8B Instruct

$0.14

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-5.4 Pro Quirks & Gotchas

No developer gotchas reported.

Llama 3 8B Instruct Quirks & Gotchas

No developer gotchas reported.