LIVE INTELLIGENCE · part of the Xentir AI Index

GPT-3.5 Turbo (Jan 2024) vs Llama 3.1-8B

Name: GPT-3.5 Turbo (Jan 2024) vs Llama 3.1-8B — benchmark results
Creator: Epoch AI
License: https://creativecommons.org/licenses/by/4.0/

GPT-3.5 Turbo (Jan 2024) · OpenAI, released 2024-01-25
Llama 3.1-8B OPEN WEIGHTS · Meta AI, released 2024-07-23

“Epoch AI, 'AI Benchmarking Hub'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks' [online resource].” · epoch.ai/benchmarks · Licensed CC BY 4.0 · data last verified 2026-09-09 · Methodology · Data Sources

Neither model leads on more of the 5 benchmarks where both are measured — GPT-3.5 Turbo (Jan 2024) on 2, Llama 3.1-8B on 2, tied on 1. The remaining 4 of 9 tracked benchmarks cannot be compared: 0 have a result for only one of the two models, 4 for neither. Nothing on this page is estimated to fill those in.

Head-to-head

Measured on 5 of 9 tracked benchmarks for both models — GPT-3.5 Turbo (Jan 2024) leads on 2, Llama 3.1-8B leads on 2, tied on 1.

Benchmark	GPT-3.5 Turbo (Jan 2024)	Llama 3.1-8B	Leads
Epoch Capabilities Index (ECI)	115.6	116.5	Llama 3.1-8B
SWE-bench Verified	Not measured	Not measured	Not measured on both
GPQA Diamond	0.272	0.270	GPT-3.5 Turbo (Jan 2024)
MATH Level 5	0.116	0.229	Llama 3.1-8B
OTIS Mock AIME 2024-2025	0.022	0.017	GPT-3.5 Turbo (Jan 2024)
FrontierMath	Not measured	Not measured	Not measured on both
FrontierMath Tier 4	Not measured	Not measured	Not measured on both
SimpleQA Verified	Not measured	Not measured	Not measured on both
Chess Puzzles	0.000	0.000	Tied

Benchmark results measure specific tasks and should not be treated as a universal measure of model quality. A model with no row here for a benchmark has not been measured on it — that is left blank, never estimated.

What remains uncertain

4 tracked benchmarks have no published result for either model.

A missing result means Xentir has not found one published by the source it cites, not that the model performs badly. See Data Sources.

Reference price

Per 1M tokens	GPT-3.5 Turbo (Jan 2024)	Llama 3.1-8B
Output	$1.50	—

List price as published by the vendor. Xentir does not verify negotiated or enterprise rates, and price is not a measure of capability — see Data Sources.

Full profiles

GPT-3.5 Turbo (Jan 2024) → · Llama 3.1-8B → · the full AI Model Rankings table