Solar Pro 4

Updated Oct 4, 2026

solar-pro524k context131k max outputreleased Aug 6, 2026ReasoningTool calling

As of Oct 4, 2026, the cheapest Solar Pro 4 API price is $0.03 per 1M input tokens (LLMTR) and $0.12 per 1M output tokens (LLMTR). Solar Pro 4 is offered by 5 providers in the solar-pro family, reasoning enabled.

Cheapest input

$0.03

LLMTR

Cheapest output

$0.12

LLMTR

Official

—

output per 1M tokens

Providers

offering this model

Spread

10.0×

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.

Solar Pro 4 API prices by provider in USD per 1M tokens, updated Oct 4, 2026
Provider	1M input	1M output	1M cache read	1M cache write	Context	Changed
LLMTR	Cheapest$0.03	Cheapest$0.12	—	—	524k	—
NanoGPT	$0.03	$0.12	$0.006	—	524k	—
OpenRouter	$0.09	$0.36	$0.018	—	524k	23d agoout +200%
Kilo Gateway	$0.3	$1.2	$0.06	—	524k	—
Upstage	$0.3	$1.2	$0.06	—	524k	—

Solar Pro 4 pricing FAQ

What is the cheapest Solar Pro 4 API?

As of Oct 4, 2026, LLMTR has the lowest Solar Pro 4 output price at $0.12 per 1M tokens, and LLMTR has the lowest input price at $0.03 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

How many providers offer Solar Pro 4?

5 providers list Solar Pro 4 on Sovyron; 5 of them sell it at a metered per-token price.

Is Solar Pro 4 free?

No provider in the Sovyron catalog lists a free tier for Solar Pro 4.

What is the context window of Solar Pro 4?

Solar Pro 4 supports a 524k-token context window and up to 131k output tokens.