Claude 3.5 Haiku vs Claude Opus 4.8
Claude Opus 4.8: 58.3% average across five Vision Evals tasks (#40 of 65 models). Claude 3.5 Haiku is deprecated and was not run through Roboflow's Vision Evals, so there is no head-to-head score.
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Claude 3.5 Haiku is deprecated and can no longer be run. Details and evals are still available on its model page.
Claude 3.5 Haiku vs Claude Opus 4.8 Comparison Table
Evals updated October 26, 2026Pricing updated November 1, 2026
| Property | Claude 3.5 Haiku | Claude Opus 4.8 |
|---|---|---|
| Organization | Anthropic | Anthropic |
| Category | closed | closed |
| Modality | multimodal | multimodal |
| Release Date | Oct 2024 | May 2026 |
| Context Window | 200K | 1.0M |
| Parameters | Unknown | Unknown |
| License | Proprietary | Proprietary |
| Commercial use | commercial use per vendor terms | commercial use per vendor terms |
| Pricing per 1M tokens | ||
| Input $/1M | No published price | $5.00 |
| Output $/1M | No published price | $25.00 |
| Vision Tasks | ||
| Captioning | Supported | Demo |
| Classification | Supported | Demo |
| Object Detection | Supported | Demo |
| OCR | Supported | Demo |
| Visual Question Answering | Supported | Demo |
| Model Features | ||
Both support 3 more features | ||
Vision Evalsground-truth scores across 5 vision tasks, pooled at low effort | ||
| Overall | Deprecated | 58.3% |
| Avg cost / sample | – | $0.021 |
| Avg speed / sample | – | 7.66s |
| By task | ||
| Object Detection | – | 38.6% |
| Counting | – | 54.0% |
| Identification | – | 84.4% |
| OCR (low) | – | 61.5% |
| by category |
| |
| OCR (high) | – | 62.1% |
| by category |
| |
| Reasoning (low) | – | 53.0% |
| Reasoning (high) | – | 52.3% |
Claude 3.5 Haiku vs Claude Opus 4.8: Overview
Claude 3.5 Haiku, released by Anthropic in October 2024, is the fastest member of the Claude 3.5 family, optimized for low-latency, high-throughput applications. It is a multimodal model that handles both text and image inputs and supports a large ~200,000-token context window. Haiku is designed to balance efficiency with intelligence, outperforming even Claude 3 Opus on several reasoning benchmarks while maintaining its hallmark speed.
Typical applications include real-time chatbots, code completion, large-scale data extraction, and content moderation—scenarios where rapid response and scalability are essential.
Claude Opus 4.8 is Anthropic's most capable generally available large language model, released on May 28, 2026 as an incremental upgrade to Claude Opus 4.7. The model accepts text and image inputs and produces text outputs, with a 1 million token context window on the Claude API, Amazon Bedrock, and Google Cloud Vertex AI (200k tokens on Microsoft Foundry) and up to 128k max output tokens. It uses adaptive thinking and supports adjustable effort tiers — high by default, with extra and max tiers available for more demanding tasks. A fast mode operates at approximately 2.5x standard speed. The model is described by Anthropic as a hybrid reasoning model designed for advanced coding, agentic workflows, long-context reasoning, and professional knowledge work.
Key behavioral improvements over Opus 4.7 include substantially reduced rates of unreported code flaws, improved honesty in self-assessment, and better tool-calling reliability. On Anthropic's Super-Agent benchmark, Opus 4.8 completes every case end-to-end, and it scores 84% on Online-Mind2Web for computer-use and browser-agent tasks. Alongside the model, Anthropic launched Dynamic Workflows in Claude Code (research preview), which enables Claude to orchestrate hundreds of parallel subagents for codebase-scale tasks such as large migrations. The Messages API was also updated to accept mid-task system messages without breaking prompt caching, improving support for long-running agentic pipelines.