claude-opus-4.5

Name: claude-opus-4.5
Author: Vercel AI Gateway

Context

200K

Input price

$5/1M tokens

Output price

$25/1M tokens

Capabilities

Show unsupported (5)

Reasoning & Interaction

Reasoning

Tool Calling

Infrastructure

Streaming

Details

ProviderVercel AI Gateway

CreatorAnthropic

Familyclaude-opus

License—

Status—

Typechat

Input modalitiestext

Output modalitiestext

Open weight—

Parameters—

Architecture—

Context window200K tokens

Max input—

Max output—

Reasoning tokens—

Knowledge cutoff—

Release date—

Sourceofficial

Tools

Function Callingfunction_calling

Call external functions and APIs

Pricing

Input

Output

$25

Cache write

—

Cache read

—

Batch in

—

Batch out

—

Family Comparison: claude-opus

Model	Caps	Perf	Speed	Context	Max out	Pricing
claude-opus-5.5	RTS	—	—	1M	—	$4$20
claude-opus-4.5	RTS	—	—	200K	—	$5$25
claude-opus-4.6	RTS	—	—	1M	—	$5$25
claude-opus-4.7	RTS	—	—	1M	—	$5$25
claude-opus-4.8	RTS	—	—	1M	—	$5$25
claude-opus-5	RTJJMSB	—	—	1M	128K	$5$25
claude-3-opus	TSB	—	—	200K	—	$15$75
claude-opus-4.1	RTS	—	—	200K	—	$15$75
claude-opus-4	RTS	—	—	200K	—	$15$75

API

GET/v1/models/vercel/anthropic/claude-opus-4.5

claude-opus-4.5

Changes · 3 entries

anthropic/claude-opus-4.5updateb301ebeMar 23, 2026, 11:47 PM

modalitiesinput["text"]output["text"]

anthropic/claude-opus-4.5update2b100acMar 23, 2026, 05:30 AM

model_typechat

tools["function_calling"]

anthropic/claude-opus-4.5create7f5c66fMar 21, 2026, 05:16 AM