anthropic/claude-sonnet-4

anthropic· 983K ctx

API onlytool callreasoningstructured quant: unknown

spread (output)

1.2×

$13.00 – $15.00 · 10 providers

10 providers priced

Provider	Input	Output	Cache rd	Blended
Poe relay router	$2.60	$13.00	$0.260	$2.32
Cortecs relay router	$2.90	$14.49	$0.290	$2.59
Helicone relay router	$3.00	$15.00	$0.300	$2.68
Kilo Gateway relay router	$3.00	$15.00	$0.300	$2.68
NanoGPT relay router	$3.00	$15.00	$0.300	$2.37
OpenCode Zentiered relay router	$3.00	$15.00	$0.300	$2.68
OpenRoutertiered unknown	$3.00	$15.00	$0.300	$2.68
Vercel AI Gateway unknown	$3.00	$15.00	$0.300	$2.68
ZenMux relay router	$3.00	$15.00	$0.300	$2.68
FastRouter relay router	$3.00	$15.00	$0.300	$2.68

Cheapest (output)

Poe

$13.00 /M

opencode.json

{
  "provider": {
    "poe": {
      "npm": "@ai-sdk/openai-compatible",
      "options": {
        "baseURL": "https://api.poe.com/v1"
      },
      "models": {
        "anthropic/claude-sonnet-4": {}
      }
    }
  }
}

Set POE_API_KEY in your environment. Generated — verify against the OpenCode docs.

Output $/M over time7-day preview

Median line, min–max band. Pre-2026-09 points are catalog-recorded dates from models.dev git history, not provider effective dates.

Full price history & dynamics

This is a 7-day preview. Sign in for 30 days free; the full series and export are the API subscription.

Data: models.dev (MIT), snapshot 2026-09-20. Prices are vendor-published; verify before purchase. Methodology.