The Model Index
Models/OpenAI

GPT-4o (Aug 2024)

OpenAIReleased 6 Aug 2024Closed
10998–121Index score#161 of 229 models
3/ 8Core tests taken3 of 6 areas · plus 8 anchor tests
−2Versus the frontier at releasebest then: Claude 3.5 Sonnet (Jun 2024)Replaced by GPT-4o (Nov 2024)
$2.5/ $10Price per million tokensinput / output, list price
128KContext windowtokens it reads at once

Where it sitson the frontier

GPT-4o reached this score 3 months earlier.

Test resultsby area · tick = best by any model

Reasoning & knowledgeevidence
GPQA Diamond
49%
Humanity's Last Exam
no result
Mathsevidence
FrontierMath T1-3
0%
Codingevidence
SWE-bench Verified
no result
Terminal-Bench
no result
Agentsno evidence yet
APEX-Agents
no result
Novel problemsno evidence yet
ARC-AGI-2
no result
Long tasksevidence
METR time horizon
7.0 min

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

What others sayrank on each leaderboard

The Model Indexindependent tests, our method#161of 219 · 109

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

Best attop three among current models

Replaced by GPT-4o (Nov 2024); it no longer leads any category among current models.

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

Where to use itprices checked 1 Oct 2026

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

Facts and sources

Released6 Aug 2024
Announcementnot linked yet
Release entry–
Scored asGPT-4o (Aug 2024)
Artificial Analysis index–
Output speed–
Hugging Faceclosed weights

OpenAI releasesaround this one