LLM Comparison
Claude Opus 5 vs GPT-5.6 Sol
Side-by-side specs, pricing & capabilities · Updated July 2026
Price vs Intelligence
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2/6 models| Organization | ||
| OpenTools Score | 96 6.4 | 81 4.6 |
| Family | Claude Opus | GPT-5.6 |
| Status | Current | Current |
| Release Date | Jul 2026 | Jul 2026 |
| Context Window | 1.0M tokens | 1.1M tokens |
| Input Price | $5.00/M tokens | $5.00/M tokens |
| Output Price | $25.00/M tokens | $30.00/M tokens |
| Pricing Notes | Claude Opus 5 is priced at $5 per million input tokens and $25 per million output tokens; fast mode is priced separately at Fable-level rates. | OpenAI pricing page lists $5 input and $30 output per 1M tokens, 90% cache-read discount, and 1.25x cache-write pricing for GPT-5.6. |
| Capabilities | textvisionreasoningcodingtool-useagentslong-context | textvisionreasoningcodingtool-useweb-searchfile-searchcomputer-useagents |
| Max Output | 128K tokens | 128K tokens |
| API Identifier | claude-opus-5 | gpt-5.6-sol |
| Benchmarks | ||
| Artificial Analysis Intelligence Index | 61artificial-analysis | 59artificial-analysis |
| Artificial Analysis Coding Agent Index | — | 80artificial-analysis |
| View Claude Opus 5 | View GPT-5.6 Sol | |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Claude Opus 5Cheapest | $5.00 | $12.50 | $17.50 | — |
| GPT-5.6 Sol | $5.00 | $15.00 | $20.00 | +14% |
Anthropic
Claude Opus 5
Claude Opus 5 is Anthropic's Opus-class model for complex agentic coding and enterprise work. Official Claude docs list the claude-opus-5 API ID, 1M token context window, 128k max output, adaptive thinking, and $5 input / $25 output pricing per million tokens.
OpenAI
GPT-5.6 Sol
GPT-5.6 Sol is OpenAI frontier GPT-5.6 model for complex professional work across coding, knowledge work, science, cybersecurity, and agentic workflows. OpenAI model docs list it as the GPT-5.6 alias target with function, web search, file search, and computer use tools, 1.05M context, and 128K max output.
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