Model

Claude 4 Sonnet Thinking (32K)

1 providers · 5 listingsreleased May 22, 2025

lowest input /M · NanoGPT

$15

lowest output /M · NanoGPT

context window

64K

max output

Compare providers (sorted by listed input price)

1 providers list Claude 4 Sonnet Thinking (32K). The cheapest full-context option is NanoGPT at $3/$15 per M.

			Cache read /M	Cache write /M		Capabilities
NanoGPTvariant claude-sonnet-4-thinking:32768	$3	$15	$0.3	—	1M	reasoningtoolsstructuredvision	May 22, 2025
NanoGPTvariant claude-sonnet-4-thinking:8192	$3	$15	$0.3	—	1M	reasoningtoolsstructuredvision	May 22, 2025
NanoGPTvariant claude-sonnet-4-thinking:64000	$3	$15	$0.3	—	1M	reasoningtoolsstructuredvision	May 22, 2025
NanoGPTvariant claude-sonnet-4-thinking:1024	$3	$15	$0.3	—	1M	reasoningtoolsstructuredvision	May 22, 2025
NanoGPTvariant claude-sonnet-4-thinking	$3	$15	$0.3	—	1M	reasoningtoolsstructuredvision	May 22, 2025

Best price history

Daily lowest published price across live providers. A lower line is better for the buyer.

Best input /M: $3unchanged
Best output /M: $15unchanged
Provider coverage: 5; 5 at the start · 24 snapshots

Published best prices are unchanged.

24 daily snapshots collected from Aug 21, 2026 through Sep 14, 2026. A price chart will appear after the first real move.

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Prices are per million tokens (USD). “—” means the provider does not publicly list a price for this model. Data from models.dev; verify with the provider before purchasing.