Claude 4.5 Haiku vs Claude 4.8 Opus
Direct spec comparison of Claude 4.5 Haiku (from Anthropic) and Claude 4.8 Opus (from Anthropic). Want a 3- or 4-way comparison? Open the multi-model tool →
 Claude 4.5 HaikuAnthropic | Claude 4.8 Opus Anthropic | |
|---|---|---|
| Vendor | Anthropic | Anthropic |
| Family | Claude | Claude |
| Release date | 2025-10-01 | 2026-05-28 |
| Context window | 200,000 tokens | 1,000,000 tokens |
| Parameters | — | — |
| Modality | text, vision | text, vision |
| License | proprietary | proprietary |
| Source | proprietary | proprietary |
| Description | Fast, cost-effective Claude model. | Anthropic's flagship hybrid-reasoning model — Opus 4.8 pushes coding and AI-agent workflows further (agentic coding 69.2% vs 64.3% on 4.7; multidisciplinary reasoning 57.9% vs 54.7%). 1M-token context, $5/$25 per MTok pricing held flat from Opus 4.7. Introduces Dynamic Workflows for Claude Code (research preview). GA on Anthropic API (`claude-opus-4-8`), AWS Bedrock, Google Vertex, Microsoft Foundry, and GitHub Copilot. |
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