Model Comparison
GPT-4o (ChatGPT)
vs. Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)
Comparing 2 AI models · 0 benchmarks · OpenAI, Anthropic
Recommended Pick
AnClaude Opus 5 (Adaptive Reasoning, Xhigh Effort)2 metric winsStrongest on: Reasoning, Intelligence
Lowest Price
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)
$5.00/1M input price
Best Reasoning
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)
62.5 reasoning score
Blends available reasoning benchmarks
Best for Coding
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)
77.0 coding index
Differences That Matter
Reasoning gap
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort) leads GPT-4o (ChatGPT) by 54.4 points on reasoning.
Top-pick rationale
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort) wins 2 measurable categories, including Reasoning, Intelligence.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
GPT-4o (ChatGPT)
OpenAI
TTFT
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Time
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tok/s
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Tokens
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Cost
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Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)
Anthropic
TTFT
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Time
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tok/s
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Tokens
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Cost
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Which answer was more useful?
Secure AI Chat made in Europe
Use Claude, ChatGPT, Gemini alongside with EU-Hosted Models like Deepseek, Qwen & Kimi.
EU-hosted inference
Servers in Germany & Finland. Designed to meet strict GDPR and ISO 27001 compliance requirements.
Full Comparison
| Metric | Op GPT-4o (ChatGPT) | Top Pick An Claude Opus 5 (Adaptive Reasoning, Xhigh Effort) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | — | $5.00/1M |
| Output Cost | — | $25.00/1M |
| Blended (3:1) | — | $10.00/1M |
| Specifications | ||
| Organization | OpenAI | Anthropic |
| Release Date | Feb 15, 2025 | Jul 24, 2026 |
| Performance & Speed | ||
| Throughput | — | 52.0 tok/s |
| TTFT | — | 32920ms |
| Latency | — | 32920ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | 8.1 | 62.5 |
| Intelligence | 8.1 | 62.5 |
| Coding | — | 77.0 |
Key Takeaways
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort) offers the best value at $5.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort) has the strongest reasoning profile with a 62.5 reasoning score,combining the available reasoning-heavy benchmarks.
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort) reaches a 77.0 coding index,making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
GPT-4o (ChatGPT)
- General-purpose AI
- Versatile applications
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
