OpenAI

GPT-4o

4.0/10

Strengths & weaknesses

100% of weight measured

Scored on GPT-4o · sources as of Sep 19, 2026

Reasoningw302.3
Rule B1,281 rating · Ranks 18 of 22 measured in Language Models · LMArena text arena, hard prompts (gpt-4o-2024-05-13) · Sep 13, 2026
Accuracyw209.0
Rule A90.4% consistent · 90.4% ÷ 10 · Vectara hallucination leaderboard, factual consistency rate (openai/gpt-4o-2024-08-06) · May 11, 2026
Writingw103.2
Rule B1,291 rating · Ranks 16 of 22 measured in Language Models · LMArena text arena, creative writing (gpt-4o-2024-05-13) · Sep 13, 2026
Long contextw102.4
Rule B128,000 tokens · Ranks 14 of 17 measured in Language Models · OpenRouter, context window · Sep 19, 2026
Cost efficiencyw201.8
Rule B$4.38 per 1M tokens (blended) · Ranks 15 of 17 measured in Language Models · OpenRouter, blended price per token · Sep 19, 2026
Deployabilityw106.0
Rule C3 of 5 items · 3 × 2 points · Deployability checklist (OpenRouter data) · Sep 19, 2026

w = weight, each criterion’s share of the overall score. Missing marks don’t count for or against. How scoring works

Enterprise fit

Where GPT-4o fits inside a company, ranked by the strength of published ROI evidence for each use case, then by its independent rating for the work.

01
Marketing, content & salesControlled trial
Marketing & sales
- ▸ Rated #16 of 22 directory models on LMArena text (creative writing), the closest independent rating for this work
- ▸ Built for this kind of work (Language Models)
02
Research, analysis & reportingControlled trial
Strategy, consulting, finance
- ▸ Rated #19 of 22 directory models on LMArena text (hard prompts), the closest independent rating for this work
- ▸ Built for this kind of work (Language Models)
03
Customer supportField study
Customer service
- ▸ Rated #17 of 22 directory models on LMArena text (overall), the closest independent rating for this work
- ▸ Built for this kind of work (Language Models)