Compare Claude Haiku 4.5 from Anthropic and Rnj 1 Instruct from essentialai on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
Claude Haiku 4.5 and Rnj 1 Instruct are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Claude Haiku 4.5, from Anthropic, has a 200,000-token context window and is priced at $1/M tokens input, $5/M tokens output on OpenRouter.
Rnj 1 Instruct, from essentialai, has a 32,768-token context window and is priced by the provider serving it on OpenRouter.
| Attribute | Claude Haiku 4.5 | Rnj 1 Instruct |
|---|---|---|
| Input price | $1/M tokens | Pricing varies by provider |
| Output price | $5/M tokens | Pricing varies by provider |
| Context window | 200,000 tokens | 32,768 tokens |
| Intelligence Index | 15.4 | Not available |
| Coding Index | Not available | Not available |
| Agentic Index | Not available | Not available |
| Latency (p50) | 0.44 s | Not available |
| Throughput (p50) | 88.0 tok/s | Not available |
Benchmark data updated
Claude Haiku 4.5 has the longer context window at 200,000 tokens, compared with 32,768 tokens for Rnj 1 Instruct.