Compare / GPT-4o (2024-08-06) vs o3

GPT-4o (2024-08-06) vs o3

Which is cheaper, which is more capable, and which does better at each kind of work, from 14 results on 3 sources that measured both models.

GPT-4o (2024-08-06)
OpenAI · profile
o3
OpenAI · profile
Results compared
14
Shared sources
3

GPT-4o (2024-08-06) or o3? The short answer

  • o3 is cheaper: $3.50 against $4.38 per million tokens, 20% less.
  • o3 scores higher on the Artificial Analysis Intelligence Index: 20.2 against 7.7.
  • On our business benchmarks, o3 ranks higher for reasoning and knowledge, writing and sticking to the facts.

At a glance

GPT-4o (2024-08-06)o3
Price per million tokens$2.50 in · $10.00 out$2.00 in · $8.00 out
Blended (3 in : 1 out)$4.38$3.50
Cheapest host, blended$4.38 (Azure)–
Intelligence Index7.720.2
Spring Prompt overall––
Output speed, tokens a second–126
Context window128,000 tokens200,000 tokens
WeightsClosedClosed
Developer based inthe USthe US

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.

Use caseGPT-4o (2024-08-06)o3
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls not measured 13 of 161
Reasoning and knowledgeHard questions across science, maths and general knowledge 176 of 195 95 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 152 of 187 49 of 187
Sticking to the factsSummarising without inventing things, and factual answers 105 of 153 91 of 153

Every shared result

BenchmarkMetricGPT-4o (2024-08-06)o3
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,3021,426
Arena (formerly LMArena)reportedCreative writingArena rating 1,3271,383
Arena (formerly LMArena)reportedExpert promptsArena rating 1,3121,449
Arena (formerly LMArena)reportedInstruction followingArena rating 1,3191,403
Arena (formerly LMArena)reportedOverallArena rating 1,3361,432
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3411,396
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 7.7020.2
Artificial AnalysisreportedGPQA Diamond% of questions 52.1%82.7%
Artificial AnalysisreportedHumanity's Last Exam% of questions 2.3%20.1%
Artificial AnalysisreportedIFBench% of instructions 36.0%71.4%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 41.0%74.7%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 8.3%37.1%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 28.9%80.7%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 26.0%49.4%

Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.

Quick answers

Is GPT-4o (2024-08-06) better than o3?

It depends on the task. Among models available today, on our benchmarks and licensed sources, o3 ranks higher for reasoning and knowledge, writing and sticking to the facts.

Which is cheaper, GPT-4o (2024-08-06) or o3?

o3 costs $3.50 per million tokens (three input to one output), against $4.38 for GPT-4o (2024-08-06).

Run GPT-4o (2024-08-06) and o3 on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.