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Claude Haiku 5 5 API

Anthropic·1M contextChatTool calling

Lightweight and fast, 1M context, lower cost

Overview

About this model

Claude Haiku 5.5 Designed for high-frequency, low-latency scenarios, suitable for lightweight Agent, office tasks, and quick conversations. Supports a 1M context window; pricing is lower when a single request input does not exceed 10 ten thousand tokens, and beyond that it is billed at the long-context tier.

Capabilities

Capability matrix

TextSupported
Vision—
Audio—
ToolsSupported
JSONSupported
Reasoning—

Pricing and groups

Routes and pricing

Claude-MAX (dedicated to cc, only connects to cli)29% of baseCollecting data

Claude Official Max full-power version, for use only with Claude Code (CLI); if you need to use Claude Desktop, you must switch to another group. Supports Fable 5.

Input

$0.029 / 1M

Output

$0.145 / 1M

Cache read

$0.0029 / 1M

Cache write

$0.0362 / 1M

Recent availabilityPast 24 hours · Active probes—
24h ago16h ago8h agoNow
Claude Official Max Line31% of baseCollecting data

Official full-power line, supports all scenarios, prioritizing stability and performance.

Input

$0.031 / 1M

Output

$0.155 / 1M

Cache read

$0.0031 / 1M

Cache write

$0.0387 / 1M

Recent availabilityPast 24 hours · Active probes—
24h ago16h ago8h agoNow

Prices in USD per 1M tokens. Rates follow provider adjustments; live prices in Model Explorer as the reference.

Snapshot: 2026-10-08 23:24. Availability reflects active probes over the past 24 hours; performance reflects actual calls.

Compare

Group comparison

GroupInput/output priceSpeedStability
Claude-MAX (dedicated to cc, only connects to cli)$0.029 / $0.145——
Claude Official Max Line$0.031 / $0.155196.6 t/s—

API

Integration example

All models share one OpenAI-compatible endpoint. To switch models, change the model field. One key accesses every model.

Python · OpenAI SDK
# pip install openai
from openai import OpenAI

client = OpenAI(
    base_url="https://api.yomiapi.com/v1",
    api_key="sk-your-yomi-key",
)

resp = client.chat.completions.create(
    model="claude-haiku-5-5",
    messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)
curl · OpenAI compatible
curl https://api.yomiapi.com/v1/chat/completions \
  -H "Authorization: Bearer sk-your-yomi-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-haiku-5-5",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
curl · Native Anthropic protocol
curl https://api.yomiapi.com/v1/messages \
  -H "x-api-key: sk-your-yomi-key" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-haiku-5-5",
    "max_tokens": 1024,
    "messages": [{"role": "user", "content": "Hello"}]
  }'

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