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GPT-5 vs Claude Opus 4.8

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OpenAI · 1M context  |  Anthropic · 1M context

Pricing Comparison

MetricGPT-5Claude Opus 4.8
Input / 1M tokens$8$5
Output / 1M tokens$32$25
Cached input / 1M$4$0.5
Context window1M1M
ProviderOpenAIAnthropic

Cost Calculator

💰 Claude Opus 4.8 saves $1,950.00/month (27% cheaper)
OGPT-5
Per request$0.0240
Daily$240.00
Monthly$7,200.00
Yearly$87,600.00
AClaude Opus 4.8CHEAPER
Per request$0.0175
Daily$175.00
Monthly$5,250.00
Yearly$63,875.00
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Choose GPT-5 when…

  • ✓ Optimized for: Frontier tasks & agents
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Choose Claude Opus 4.8 when…

  • ✓ Cheaper for RAG & document retrieval (lower input cost)
  • ✓ 38% cheaper per input token
  • ✓ Cheaper for generation-heavy workloads (lower output cost)
  • ✓ Cheaper cached price ($0.5 vs $4/1M)
  • ✓ Optimized for: Complex reasoning & coding

Related Comparisons

GPT-5 vs GPT-5 MiniGPT-5 vs GPT-4.1GPT-5 vs GPT-4.1 MiniGPT-5 vs GPT-4.1 NanoClaude Opus 4.8 vs GPT-5 MiniClaude Opus 4.8 vs GPT-4.1