GPT-5.5

fastrouter/openai/gpt-5.5 · family gpt · price provider-declared (via models.dev), USD per 1M tokens. Capabilities: toolsreasoningtextimagepdf.

$11.25Blended $/1M (3:1)

$5Input $/1M

$30Output $/1M

$35.001M in + 1M out

—Cache read $/1M

—Cheapest rank

Provider: FastRouter (fastrouter)
Context: 1,050,000 tokens
Max output: 128,000 tokens
Capabilities: toolsreasoningtextimagepdf

Same model, other providers

“GPT-5.5” is offered by 6 providers — cheapest-effective first. Kenari is the cheapest at $0.00 blended.

Provider	Input	Output	Blended	Context
Kenari	free	free	$0.00	1050k
UnoRouter	free	free	$0.00	1050k
UnoRouter	$0.1875	$1.125	$0.42	1050k
Xpersona	$1.5	$12	$4.13	1050k
FrogBot	$2.5	$15	$5.63	272k
FastRouter (this)	$5	$30	$11.25	1050k

Call it

jishie indexes & prices models; it does not proxy inference. Most providers are OpenAI-compatible — point base_url at FastRouter and pass this model id:

curl $BASE_URL/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" -H "Content-Type: application/json" \
  -d '{"model":"openai/gpt-5.5","messages":[{"role":"user","content":"hello"}]}'

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