Author's Description
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance across reasoning, coding, and computer-use tasks, Haiku 4.5 brings frontier-level capability to real-time and high-volume applications. It introduces extended thinking to the Haiku line; enabling controllable reasoning depth, summarized or interleaved thought output, and tool-assisted workflows with full support for coding, bash, web search, and computer-use tools. Scoring >73% on SWE-bench Verified, Haiku 4.5 ranks among the world’s best coding models while maintaining exceptional responsiveness for sub-agents, parallelized execution, and scaled deployment.
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Model Pricing
Current Pricing
Feature | Price (per 1M tokens) |
---|---|
Prompt | $1 |
Completion | $5 |
Price History
Available Endpoints
Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
---|---|---|---|---|
Anthropic
|
Anthropic | anthropic/claude-4.5-haiku-20251001 | 200K | $1 / 1M tokens | $5 / 1M tokens |
Other Models by anthropic
|
Released | Params | Context |
|
Speed | Ability | Cost |
---|---|---|---|---|---|---|---|
Anthropic: Claude Haiku 4.5 | Oct 15, 2025 | — | 200K |
Image input
Text input
Text output
|
★★★★ | ★★★★ | $$$$$ |
Anthropic: Claude Sonnet 4.5 | Sep 29, 2025 | — | 1M |
Image input
Text input
File input
Text output
|
★★ | ★★★★★ | $$$$$ |
Anthropic: Claude Opus 4.1 | Aug 05, 2025 | — | 200K |
Image input
Text input
File input
Text output
|
★★ | ★★★★★ | +$$$$$ |
Anthropic: Claude Opus 4 | May 22, 2025 | — | 200K |
Image input
Text input
File input
Text output
|
★★ | ★★★★★ | +$$$$$ |
Anthropic: Claude Sonnet 4 | May 22, 2025 | — | 1M |
Image input
Text input
File input
Text output
|
★★★ | ★★★★★ | $$$$$ |
Anthropic: Claude 3.7 Sonnet | Feb 24, 2025 | — | 200K |
Image input
Text input
File input
Text output
|
★★★ | ★★★★★ | $$$$$ |
Anthropic: Claude 3.5 Haiku | Nov 03, 2024 | — | 200K |
Image input
Text input
Text output
|
★★★★ | ★★★ | $$$$ |
Anthropic: Claude 3.5 Haiku (2024-10-22) | Nov 03, 2024 | — | 200K |
Image input
Text input
File input
Text output
|
★★★★ | ★★★ | $$$$ |
Anthropic: Claude 3.5 Sonnet | Oct 21, 2024 | ~400B | 200K |
Image input
Text input
File input
Text output
|
★★★ | ★★★★ | $$$$$ |
Anthropic: Claude 3.5 Sonnet (2024-06-20) | Jun 19, 2024 | ~400B | 200K |
Image input
Text input
File input
Text output
|
★★★★ | ★★★★ | $$$$$ |
Anthropic: Claude 3 Haiku | Mar 12, 2024 | ~20B | 200K |
Image input
Text input
Text output
|
★★★★★ | ★★★ | $$$ |
Anthropic: Claude 3 Sonnet Unavailable | Mar 04, 2024 | ~200B | 200K |
Image input
Text input
Text output
|
★★★★ | ★★★★ | $$$$$ |
Anthropic: Claude 3 Opus | Mar 04, 2024 | ~2T | 200K |
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Text input
Text output
|
★★★ | ★★★★ | +$$$$$ |
Anthropic: Claude v2 Unavailable | Nov 21, 2023 | 137B | 200K |
Text input
Text output
|
★★ | ★★★★ | +$$$$$ |
Anthropic: Claude v2.1 Unavailable | Nov 21, 2023 | 137B | 200K |
Text input
Text output
|
★★ | ★★★★ | +$$$$$ |
Anthropic: Claude v2.0 Unavailable | Jul 27, 2023 | 137B | 100K |
Text input
Text output
|
★★★ | ★★★★ | +$$$$$ |