Models

Every model here answers the ordinary requests other assistants refuse. Each one is named by us, served by a provider we chose for the job, and priced per token for pay-as-you-go.

LS Lite

Fast everyday answers

chatwriting

Context: 128K tokens
Speed: Fast
Pay as you go: $0.20 in / $0.60 out per 1M tokens

Tools

LS Chat

Balanced general assistant

Popular

chatwritingcoding

Context: 160K tokens
Speed: Balanced
Pay as you go: $0.50 in / $1.50 out per 1M tokens

Tools

LS Coder

Built for software engineering

codingagents

Context: 256K tokens
Speed: Balanced
Pay as you go: $0.50 in / $2.00 out per 1M tokens

Tools

LS Thinker

Deep reasoning for hard problems

reasoningresearchcoding

Context: 160K tokens
Speed: Deep
Pay as you go: $0.80 in / $3.50 out per 1M tokens

Reasoning

LS Scholar

Research with a 1M-token memory

researchchatvision

Context: 1M tokens
Speed: Fast
Pay as you go: $0.50 in / $4.00 out per 1M tokens

Vision Tools

LS Ultra

Our most capable model

Flagship

codingchatresearch

Context: 200K tokens
Speed: Balanced
Pay as you go: $4.50 in / $22.50 out per 1M tokens

Vision Tools

Deepseek v4.1 LessStrict

LessStrict deepseek v4.1 1017

Context: 1M tokens
Speed: Balanced
Pay as you go: $0.40 in / $1.70 out per 1M tokens

Tools

Side by side

Prices are pay-as-you-go rates per 1M tokens. Plan allowances are on the pricing page.

Model	Context	Max output	Speed	Input	Output
LS Lite Fast everyday answers	128K	8K	Fast	$0.20	$0.60
LS Chat Balanced general assistant	160K	16K	Balanced	$0.50	$1.50
LS Coder Built for software engineering	256K	32K	Balanced	$0.50	$2.00
LS Thinker Deep reasoning for hard problems	160K	32K	Deep	$0.80	$3.50
LS Scholar Research with a 1M-token memory	1M	64K	Fast	$0.50	$4.00
LS Ultra Our most capable model	200K	64K	Balanced	$4.50	$22.50
Deepseek v4.1 LessStrict LessStrict deepseek v4.1 1017	1M	393K	Balanced	$0.40	$1.70