Compare Claude Opus 5 from Anthropic and Pareto Latest from Unbiased on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
| Attribute | Claude Opus 5 | Pareto Latest |
|---|---|---|
| Input price | $5/M tokens | $0.80/M tokens |
| Output price | $25/M tokens | $3.20/M tokens |
| Context window | 1,000,000 tokens | 1,048,576 tokens |
| Intelligence Index | Not available | Not available |
| Coding Index | 78.0 | Not available |
| Agentic Index | 56.5 | Not available |
| Latency (p50) | 2.06 s | 3.07 s |
| Throughput (p50) | 69.0 tok/s | 50.0 tok/s |
| Provided by | Anthropic | Unbiased |
| Model page | Claude Opus 5 model details, providers and pricing | Pareto Latest model details, providers and pricing |
Benchmark data updated
Pareto Latest is cheaper than Claude Opus 5 on OpenRouter: Pareto Latest costs $0.80/M tokens input and $3.20/M tokens output, while Claude Opus 5 costs $5/M tokens input and $25/M tokens output.
Pareto Latest has the longer context window at 1,048,576 tokens, compared with 1,000,000 tokens for Claude Opus 5.
Claude Opus 5 is faster on OpenRouter, generating a median 69.0 tokens per second compared with 50.0 tokens per second for Pareto Latest.