Claude Haiku 4.5 vs Kimi K3 (Comparative Analysis)
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Comparative Analysis: Claude Haiku 4.5 vs. Kimi K3
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Overview
Claude Haiku 4.5 was released 9 months before Kimi K3.
 Claude Haiku 4.5 |  Kimi K3 | |
|---|---|---|
Model Provider The organization behind this AI's development | Anthropic | MoonshotAI |
Input Context Window Maximum input tokens this model can process at once | 200K tokens | 1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 64K tokens | Not specified tokens |
Release Date When this model first became publicly available | October 15, 2025 9 months ago October 15th, 2025 | July 16, 2026 11 days ago July 16th, 2026 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
Claude Haiku 4.5 | Kimi K3 | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image📁File | 📝Text🖼️Image |
Reasoning Controls Defaults and configurable reasoning effort | Optional | Enabled by defaultEffort: Max, High, LowDefault: Max |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Claude | Other |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation |
Pricing
Claude Haiku 4.5 is roughly 0.3x less expensive compared to Kimi K3 for input tokens and roughly 0.3x less expensive for output tokens.
| Claude Haiku 4.5 | Kimi K3 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $1.00 per million tokens | $3.00 per million tokens |
Output Token Cost Cost per million output tokens | $5.00 per million tokens | $15.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.01 per search | Not specified |
Cache Read Cost Cost to reuse cached input tokens | $0.10 per million tokens | $0.30 per million tokens |
Cache Write Cost Cost to write input tokens to the cache | $1.25 per million tokens | Not specified |
1-Hour Cache Write Cost Cost to cache input tokens for one hour | $2.00 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between Claude Haiku 4.5 and Kimi K3.
| Claude Haiku 4.5 | Kimi K3 | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 29.6 (Artificial Analysis index; higher is better) | 57.1 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | 43.9 (Artificial Analysis index; higher is better) | 76.2 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | 16.4 (Artificial Analysis index; higher is better) | 50.1 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,177 Elo (#35 in Asciiart (49.3% win rate)) | 1,456 Elo (#1 in 3D (69.2% win rate)) |
At a Glance
Quick overview of what makes Claude Haiku 4.5 and Kimi K3 unique.
Claude Haiku 4.5 by Anthropic understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 200K token context window. Reasonably priced at $1.00/M input and $5.00/M output tokens. Includes built-in content moderation for safer outputs. Released October 15th, 2025.Kimi K3 by MoonshotAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Premium pricing at $3.00/M input and $15.00/M output tokens. Released July 16th, 2026.Explore More Comparisons
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