Compare

Claude Sonnet 4.6 vs Free Models Router

Pricing is only the shared seller matrix below. Best rates and catalog map are separate sections, so no chart is embedded in pricing. Open the calculator for the same workload on each side.

Anthropic

Model

Claude Sonnet 4.6

Image inputTool calling

Best $2.80 in · $8.50 out

Context window 200K

Pricing
Openrouter

Model

Free Models Router

Image inputTool calling

Best N/A in · N/A out

Context window 200K

Pricing

Free Models Router is cheaper across the board — 100% cheaper on input and 100% cheaper on output.

Pricing matrix

Shared sellers only. Each row is a host that lists both models. Dollar amounts are per 1M tokens. Lowest in each pair of columns is emphasized.

ProviderClaude Sonnet 4.6 inClaude Sonnet 4.6 outFree Models Router inFree Models Router out
Anthropic$3.00$15.00N/AN/A
Aws Bedrock$3.00$15.00N/AN/A
Azure$3.00$15.00N/AN/A
Fireworks AI$2.90$9.00N/AN/A
Google Vertex$3.00$15.00N/AN/A
Openrouter$3.00$15.00N/AN/A
Together AI$2.80$8.50N/AN/A

Best listed rates (this pair)

Same "best row in current pricing" logic as model pages: a compact view of the lowest input and output we show for each side. This is not the seller matrix.

Catalog map · Anthropic · Openrouter

Each chart uses real catalog rows that include both list input and list output ($/1M). Larger green dots are the models on this comparison page; accent dots are other active models from that provider.

Anthropic · input vs output

Scatter chart: X = input $/M, Y = output $/M. This page's models are labeled on the green dots; hover others for detail.

ListedoutputUSD/1M

One dot per catalog row that has both list prices. Green dots are labeled with the models on this page; hover any dot for name and prices. Upper-right means higher cost on both axes ($/1M).

Openrouter · input vs output

ListedoutputUSD/1M

One dot per catalog row that has both list prices. Green dots are labeled with the models on this page; hover any dot for name and prices. Upper-right means higher cost on both axes ($/1M).

Specifications

Each column header is the full model name. Tint marks the favorable value where we compute a winner.

Spec
Claude Sonnet 4.6
Free Models Router
Context window
200,000 tokens
200,000 tokens
Max output tokens
8,192 tokens
N/A
Vision
Yes
Yes
Function calling
Yes
Yes
Streaming
Yes
No
Release date
Feb 2026
Feb 2026

Cost calculator

Same requests, input tokens, and output tokens for both columns. Pick the provider row that matches how you buy.

Claude Sonnet 4.6
Monthly
$3.1K
Annual
$38.3K
Free Models Router
Monthly
$0.0000
Annual
$0.0000
Save $3.1K/month with Free Models Router

Frequently asked questions

Free Models Router is cheaper on both input and output tokens.

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