HomeClaude Haiku 4.5 (Thinking)
N/A
Model parameter quantity
Anthropic
Affiliated organization
Closed Source
License Type
October 15, 2025
Release time
Related figures
Model Introduction
The latest series of closed-source reasoning models released by Anthropic, which has shown significant breakthroughs in agent construction, computer usage, reasoning, and mathematical abilities.
Comprehensive score
Language dialogue
Knowledge reserve
Reasoning association
Mathematical calculation
Code writing
Command following
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Language comprehension ability
Capable of understanding complex contexts and generating logically coherent sentences, though occasionally off in tone control.
7.8
Knowledge coverage scope
Possesses core knowledge of mainstream disciplines, but has limited coverage of cutting-edge interdisciplinary fields.
8.4
Reasoning ability
Unable to maintain coherent reasoning chains, often causing inverted causality or miscalculations.
6.2
Model comparison
Claude Haiku 4.5 (Thinking) vs Qwen2.5-7B-Instruct
Like Qwen2, the Qwen2.5 language models support up to 128K tokens and can generate up to 8K tokens. They also maintain multilingual support for over 29 languages, including Chinese, English, French, Spanish, Portuguese, German, Italian, Russian, Japanese, Korean, Vietnamese, Thai, Arabic, and more.
Claude Haiku 4.5 (Thinking) vs Hunyuan-T1-20250822
The deep reasoning model independently developed by Tencent adopts the version number hunyuan-t1-20250822.
Claude Haiku 4.5 (Thinking) vs Spark-X1
The inference model Spark X1 released by iFlytek, on the basis of leading domestic mathematical tasks, benchmarks the performance of general tasks such as inference, text generation, and language understanding against OpenAI o1 and DeepSeek R1.
Related model
Claude Sonnet 4.5 (Thinking)
The latest series of closed-source reasoning models released by Anthropic, which has shown significant breakthroughs in agent construction, computer usage, reasoning, and mathematical abilities.
Claude Opus 4.5 (Thinking)
The latest series of closed-source reasoning models released by Anthropic, which has shown significant breakthroughs in agent construction, computer usage, reasoning, and mathematical abilities.
Claude Sonnet 4.5 (Thinking)
The latest series of closed-source reasoning models released by Anthropic, which has shown significant breakthroughs in agent construction, computer usage, reasoning, and mathematical abilities.
Claude Sonnet 4 (Thinking)
The latest hybrid inference model series released by Anthropic, which support better coding, function calling, and other features.
Claude 3.7 Sonnet (Thinking)
Claude 3.7 Sonnet Thinking is the Thinking version of the hybrid inference intelligent model Claude 3.7 Sonnet released by Anthropic. It has the most advanced encoding technology and significant improvements in content generation, data analysis, and planning.
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