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ModelTape / Models / GPT-4o (Aug 2024)
OpenAI · API-only (closed weights)

GPT-4o (Aug 2024)

GPT-4o (Aug 2024) is an API-only (closed weights) language model from OpenAI, released August 6, 2024. On the Epoch Capabilities Index it scores 127.0, rank 166 of 256 rated models.

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Lab
OpenAI
Released
August 6, 2024
Weights
API-only (closed weights)
Parameters
–
Context
–
Price / M tokens
–
Epoch ECI
127.0 #166

Strengths by category

ModelTape's 0–100 fit on Epoch AI benchmark results.

CategoryScoreBased on
Reasoning8.4Chess Puzzles, SimpleBench
Math12.4MATH level 5, OTIS Mock AIME 2024-2025, FrontierMath-Tiers-1-3-v2-Private
Knowledge36.3GPQA diamond, SimpleQA Verified, MMLU

Benchmark results

Benchmark (Epoch AI)Score
MMLU79.1%
MATH level 553.3%
GPQA Diamond33.6%
SimpleQA Verified26.0%
Aider Polyglot23.1%
OTIS Mock AIME6.3%
Chess Puzzles4.3%
SimpleBench1.4%
FrontierMath (Tiers 1–3)0.4%

Links

Epoch AI benchmarks

Models with a similar score

Gemini 1.5 Pro (Sept 2024) · Claude 3.5 Sonnet · Grok-2 (Dec 2024) · Phi-4 · GPT-4o (Nov 2024) · GPT-4o (May 2024) · Llama 3.1-405B · Llama 4 Scout

More from OpenAI

GPT-6.1 Terra · GPT-6.1 Sol · GPT-6 Sol · GPT-6 Luna · GPT-6 Astra · GPT-5.6 Cyber · Daybreak Red · Daybreak Blue

Data updated Thu, 12 Nov 2026 09:42 UTC. Benchmarks, Capabilities Index and model announcements: Epoch AI, “Capabilities & benchmarking” and “Data on AI models” (CC BY 4.0); category scores are ModelTape's own fit on Epoch's results. Releases and prices: models.dev (MIT). Sizes and quantizations: Hugging Face. “Runs on” figures are estimates from model size, quantization and memory bandwidth (±30–50%).
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