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Claude Opus Latest

claude-opus1.0M context128k max outputreleased Apr 21, 2026ReasoningTool calling

As of Oct 4, 2026, the cheapest Claude Opus Latest API price is $4 per 1M input tokens (Kilo Gateway) and $20 per 1M output tokens (Kilo Gateway). Claude Opus Latest is offered by 3 providers in the claude-opus family, reasoning enabled.

Cheapest input
$4
Kilo Gateway
Cheapest output
$20
Kilo Gateway
Official
—
output per 1M tokens
Providers
3
offering this model
Spread
1.0×
max / min output

API pricing by provider

Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.

Claude Opus Latest API prices by provider in USD per 1M tokens, updated Oct 4, 2026
Provider1M input1M output1M cache read1M cache writeContextChanged
Kilo GatewayCheapest$4Cheapest$20$0.2$51.0M11d agoout −20%
NanoGPT$4$20$0.2$51.0M9d agoout −20%
OpenRouter$4$20$0.2$51.0M11d agoout −20%

Claude Opus Latest pricing FAQ

What is the cheapest Claude Opus Latest API?

As of Oct 4, 2026, Kilo Gateway has the lowest Claude Opus Latest output price at $20 per 1M tokens, and Kilo Gateway has the lowest input price at $4 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

How many providers offer Claude Opus Latest?

3 providers list Claude Opus Latest on Sovyron; 3 of them sell it at a metered per-token price.

Is Claude Opus Latest free?

No provider in the Sovyron catalog lists a free tier for Claude Opus Latest.

What is the context window of Claude Opus Latest?

Claude Opus Latest supports a 1.0M-token context window and up to 128k output tokens.