LLM Reference

Claude 4 Models by Anthropic

AnthropicProprietaryHighlight
5 models2025Up to 200k ctxFrom $3/1M input

Details

ResearcherAnthropic
LicenseProprietary
Commercial useCommercial use: conditional
Models5
Released2025
Max context200k

Capabilities

VisionAll models
MultimodalAll models
Function Calling3 of 5 models
Tool Use3 of 5 models
Structured Outputs3 of 5 models

Links

Website

About

Claude 4 family from Anthropic, introducing improved reasoning and capabilities.

Current Variants

Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.

1 in view4 retired

Use when the workload needs 200k context, tool use, and function calling.

2025-05200k contexttool usefunction calling

Release Timeline

2 release groups
2025-08
2 retired
Claude Opus 4.1
200k contextstructured outputsmultimodal inputs
Replaced
Claude Sonnet 4
200k contextstructured outputsmultimodal inputs
Replaced
2025-05
1 current · 2 retired
Claude 4 Haiku
200k contexttool usefunction calling
Current
Claude 4 Opus
200k contexttool usefunction calling
Replaced
Claude 4 Sonnet
200k contexttool usefunction calling
Replaced

Replaced By

Keep for legacy integrations; evaluate Claude Sonnet 4.6 before new work.

Keep for legacy integrations; evaluate Claude Opus 4.8 before new work.

Keep for legacy integrations; evaluate Claude Sonnet 4.6 before new work.

Keep for legacy integrations; evaluate Claude Opus 4.8 before new work.

Specifications(5 models)

Claude 4 model specifications comparison
ModelReleasedContextVisionMultimodalFn CallingTool UseStructured Outputs
Claude 4 Haiku2025-05200kYesYesYesYesNo

Pricing

Frequently Asked Questions

What is Claude 4 used for?
Claude 4 is used for vision and multimodal work, agent workflows and tool use, and structured outputs. The family description and listed model capabilities point to those workloads as the best fit.
How does Claude 4 compare to Computer Use?
Claude 4 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 has 5 listed variants and reaches up to 200k context, so compare the specs and pricing tables before choosing a production model.
Which Claude 4 model should I use?
For the lowest listed input price, start with Claude Sonnet 4 through Anthropic at $3/1M input tokens. For the most capable/latest local choice, evaluate Claude 4 Haiku with 200k context and tool use, function calling, and multimodal inputs.

Models(5)