Claude 4.5 Models by Anthropic
3 models2025Up to 200k ctxFrom $0.8/1M input
Details
ResearcherAnthropic
LicenseProprietary
Commercial useCommercial use: conditional
Models3
Released2025
Max context200k
Capabilities
VisionAll models
MultimodalAll models
Reasoning2 of 3 models
Function CallingAll models
Tool UseAll models
Structured OutputsAll models
Code Execution2 of 3 models
Links
WebsiteAbout
Claude 4.5 family from Anthropic, the latest generation with enhanced performance.
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
3 in view
Claude Opus 4.5Current
Use when the workload needs 200k context, reasoning, and tool use.
2025-11200k contextreasoningtool use
Claude Haiku 4.5Current
Use when the workload needs 200k context, tool use, and function calling.
2025-10200k contexttool usefunction calling
Claude Sonnet 4.5Current
Use when the workload needs 200k context, reasoning, and tool use.
2025-09200k contextreasoningtool use
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Claude Opus 4.5 | Use when the workload needs 200k context, reasoning, and tool use. | 2025-11 | 200k contextreasoningtool use | Current |
| Claude Haiku 4.5 | Use when the workload needs 200k context, tool use, and function calling. | 2025-10 | 200k contexttool usefunction calling | Current |
| Claude Sonnet 4.5 | Use when the workload needs 200k context, reasoning, and tool use. | 2025-09 | 200k contextreasoningtool use | Current |
Release Timeline
3 release groups2025-11
1 current
Claude Opus 4.5
Current200k contextreasoningtool use
2025-10
1 current
Claude Haiku 4.5
Current200k contexttool usefunction calling
2025-09
1 current
Claude Sonnet 4.5
Current200k contextreasoningtool use
Specifications(3 models)
| Model | Released | Context | Vision | Multimodal | Reasoning | Fn Calling | Tool Use | Structured Outputs | Code Exec |
|---|---|---|---|---|---|---|---|---|---|
| Claude Opus 4.5 | 2025-11 | 200k | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Claude Haiku 4.5 | 2025-10 | 200k | Yes | Yes | No | Yes | Yes | Yes | Yes |
| Claude Sonnet 4.5 | 2025-09 | 200k | Yes | Yes | Yes | Yes | Yes | Yes | No |
Available From(9 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| Claude Haiku 4.5 | AWS Bedrock | $0.8 | $4 | Serverless |
| Claude Haiku 4.5 | GCP Vertex AI | $0.8 | $4 | Serverless |
| Claude Haiku 4.5 | Microsoft Foundry | $1 | $5 | Serverless |
| Claude Haiku 4.5 | Anthropic | $1 | $5 | Serverless |
| Claude Haiku 4.5 | OpenRouter | $1 | $5 | Serverless |
| Claude Haiku 4.5 | Replicate API | $1 | $5 | Serverless |
| Claude Haiku 4.5 | Vercel AI Gateway | $1 | $5 | Serverless |
| Claude Sonnet 4.5 | Microsoft Foundry | $3 | $15 | Serverless |
| Claude Sonnet 4.5 | Anthropic | $3 | $15 | Serverless |
| Claude Sonnet 4.5 | GCP Vertex AI | $3 | $15 | Serverless |
| Claude Sonnet 4.5 | Replicate API | $3 | $15 | Serverless |
| Claude Sonnet 4.5 | OpenRouter | $3 | $15 | Serverless |
| Claude Sonnet 4.5 | Vercel AI Gateway | $3 | $15 | Serverless |
| Claude Opus 4.5 | Microsoft Foundry | $5 | $25 | Serverless |
| Claude Opus 4.5 | Anthropic | $5 | $25 | Serverless |
| Claude Opus 4.5 | GCP Vertex AI | $5 | $25 | Serverless |
| Claude Opus 4.5 | OpenRouter | $5 | $25 | Serverless |
| Claude Opus 4.5 | Vercel AI Gateway | $5 | $25 | Serverless |
| Claude Sonnet 4.5 | AWS Bedrock | $9 | $45 | Serverless |
| Claude Opus 4.5 | AWS Bedrock | $18 | $90 | Serverless |
Popular comparisons in this family
- Claude Sonnet 4.5 vs DeepSeek V4 Pro2K
- Claude Sonnet 4.5 vs DeepSeek V4 Flash2K
- Claude Haiku 4.5 vs DeepSeek V4 Flash1K
- Claude Opus 4.7 vs Claude Sonnet 4.5907
- Claude Opus 4.5 vs GPT-5.5825
- Claude Sonnet 4.5 vs Kimi K2.6816
- Claude Sonnet 4.5 vs Qwen3.6-27B730
- Claude Sonnet 4.5 vs GPT-5.5695
- Claude Opus 4.5 vs DeepSeek V4 Pro316
- Claude Sonnet 4.5 vs GLM-5315
Comparisons
All comparisons →Frequently Asked Questions
- What is Claude 4.5 used for?
- Claude 4.5 is used for vision and multimodal work, reasoning, and agent workflows and tool use. The family description and listed model capabilities point to those workloads as the best fit.
- How does Claude 4.5 compare to Computer Use?
- Claude 4.5 by Anthropic is strongest where you need vision and multimodal work, while Computer Use by Anthropic is the closest related family to check for agent. Claude 4.5 has 3 listed variants and reaches up to 200k context, so compare the specs and pricing tables before choosing a production model.
- Which Claude 4.5 model should I use?
- For the lowest listed input price, start with Claude Haiku 4.5 through AWS Bedrock at $0.8/1M input tokens. For the most capable/latest local choice, evaluate Claude Opus 4.5 with 200k context and reasoning, tool use, function calling, structured outputs, and multimodal inputs.
