Claude Sonnet 4.5

anthropic/claude-sonnet-4-5-20250929 · family claude-sonnet · in: text, image, pdf → out: text · price provider-declared (via models.dev). Capabilities: toolsreasoningtextimagepdf.

$6.00Blended $/1M (3:1)

$3Input $/1M

$15Output $/1M

$18.001M in + 1M out

$0.3 −90%Cache read $/1M

—Cheapest rank

Provider: Anthropic (anthropic)
Kind: text (outputs text)
Context: 1,000,000 tokens
Max output: 64,000 tokens
Capabilities: toolsreasoningtextimagepdf

Same model, other providers

“Claude Sonnet 4.5” is offered by 2 providers — cheapest-effective first. QiHang is the cheapest at $0.86 blended.

Provider	Input	Output	Blended	Context
QiHang	$0.43	$2.14	$0.86	200k
Anthropic (this)	$3	$15	$6.00	1000k

Call it

jishie indexes & prices models; it does not proxy inference.

Most providers are OpenAI-compatible — point base_url at Anthropic and pass this model id:

curl $BASE_URL/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" -H "Content-Type: application/json" \
  -d '{"model":"claude-sonnet-4-5-20250929","messages":[{"role":"user","content":"hello"}]}'

Route programmatically with MCP find_model / get_model, or fetch this record free (no wallet):