Compare / Claude Opus 4.1 vs GPT-4o (2024-08-06)

Claude Opus 4.1 vs GPT-4o (2024-08-06)

Which is cheaper, which is more capable, and which does better at each kind of work, from 15 results on 3 sources that measured both models.

Claude Opus 4.1
Anthropic · profile
GPT-4o (2024-08-06)
OpenAI · profile
Results compared
15
Shared sources
3

Claude Opus 4.1 or GPT-4o (2024-08-06)? The short answer

  • GPT-4o (2024-08-06) is cheaper: $4.38 against $30.00 per million tokens, 6.9 times less.
  • Claude Opus 4.1 scores higher on the Artificial Analysis Intelligence Index: 22.8 against 7.7.
  • On our business benchmarks, Claude Opus 4.1 ranks higher for reasoning and knowledge, writing and sticking to the facts.

At a glance

Claude Opus 4.1GPT-4o (2024-08-06)
Price per million tokens$15.00 in · $75.00 out$2.50 in · $10.00 out
Blended (3 in : 1 out)$30.00$4.38
Cheapest host, blended–$4.38 (Azure)
Intelligence Index22.87.7
Spring Prompt overall––
Output speed, tokens a second––
Context window200,000 tokens128,000 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 caseClaude Opus 4.1GPT-4o (2024-08-06)
Reasoning and knowledgeHard questions across science, maths and general knowledge 98 of 195 176 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 31 of 187 152 of 187
Sticking to the factsSummarising without inventing things, and factual answers 104 of 153 105 of 153

Every shared result

BenchmarkMetricClaude Opus 4.1GPT-4o (2024-08-06)
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4471,302
Arena (formerly LMArena)reportedCreative writingArena rating 1,4451,327
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4821,312
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4581,319
Arena (formerly LMArena)reportedOverallArena rating 1,4501,336
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4461,341
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 22.87.70
Artificial AnalysisreportedGPQA Diamond% of questions 80.9%52.1%
Artificial AnalysisreportedHumanity's Last Exam% of questions 12.5%2.3%
Artificial AnalysisreportedIFBench% of instructions 55.4%36.0%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 76.0%41.0%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 34.3%8.3%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 71.4%28.9%
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 92.4%93.8%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 11.8%9.6%

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 Claude Opus 4.1 better than GPT-4o (2024-08-06)?

It depends on the task. Among models available today, on our benchmarks and licensed sources, Claude Opus 4.1 ranks higher for reasoning and knowledge, writing and sticking to the facts.

Which is cheaper, Claude Opus 4.1 or GPT-4o (2024-08-06)?

GPT-4o (2024-08-06) costs $4.38 per million tokens (three input to one output), against $30.00 for Claude Opus 4.1.

Run Claude Opus 4.1 and GPT-4o (2024-08-06) on your own prompt

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