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Side-by-side CLI results for companies evaluated by Claude Code. Compare score, rank, discoverability, cost, errors, runtime, and the underlying eval artifacts.

Model

Claude Code Codex

Codex

Tooling

API CLI MCP

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Resend

LiveKit

Voice Infra

Summary

Compare status

Comparable

Overall score

Best

Grade

Category

Voice Infra

Overall rank

Best

Category rank

Best

Full eval

Open report

CLI Task Scoring

Eval score

88%

Best

85%

Task Completed

Passed+30The agent successfully completed all required task steps using the official `resend` CLI binary installed via `npm insta...

Best

Passed+30The agent successfully completed all required tasks: (1) installed the official lk CLI from the documented install scrip...

Best

Used CLI Correctly

Passed+20Agent used CLI commands correctly

Best

Passed+20Agent used CLI commands correctly

Best

Partial Credit

Passed+10Partial credit: 100%

Best

Passed+10Partial credit: 100%

Best

Zero Errors

Passed+10No errors

Best

Passed+10No errors

Best

Efficiency

Partial+69 tool calls (<=10, great)

Best

Partial+3.511 tool calls (<=15, good)

Time

Partial+680s (1-2min, great)

Best

Partial+682s (1-2min, great)

Best

Cost

Partial+6$0.12 ($0.10-0.20, great)

Best

Partial+6$0.15 ($0.10-0.20, great)

Best

Runtime (actual)

1m 19s

Best

1m 21s

Cost (actual)

$0.1180

Best

$0.1530

Tool calls

Best

Errors

Best

Tokens used

248,805

Best

271,509

CLI Discovery

Discovery score

100%

Best

93%

CLI exists

Passed5/5resend

Best

Passed5/5lk

Best

Install docs

Passed5/5npm

Best

Passed5/5binary download

Best

Auth method

Passed25/25env var

Best

Passed25/25env var

Best

Non-interactive

Passed25/25auto detect

Best

Partial18/25flag

JSON output

Passed15/15full

Best

Passed15/15full

Best

llms.txt

Passed5/5

Best

Passed5/5

Best

Agent skill

Passed20/20

Best

Passed20/20

Best

Eval Details

Integration task

# Task Using the resend CLI (Resend), perform email operations: 1. Create a new email inbox (or list available inboxes) 2. Send an email from an inbox to a ***** email with subje...

# Task Using the lk CLI (LiveKit), manage real-time rooms: 1. List existing rooms: `lk room list` 2. Create a new room called "*****-leaderboard-room": `lk room create *****-lead...

Generated files

Trace tool calls

Completed

9/27/2026

Stderr

None captured

Metric	Resend Email	LiveKit Voice Infra	Agentmail Email
Summary
Compare status	Comparable	Comparable	Comparable
Overall score	91	87	92 Best
Grade	A	B	A
Category	Email	Voice Infra	Email
Overall rank	#3	#5	#1 Best
Category rank	#2	#1 Best	#1 Best
Full eval	Open report	Open report	Open report
CLI Task Scoring
Eval score	88%	85%	89% Best
Task Completed	Passed+30The agent successfully completed all required task steps using the official `resend` CLI binary installed via `npm insta... Best	Passed+30The agent successfully completed all required tasks: (1) installed the official lk CLI from the documented install scrip... Best	Passed+30The agent successfully completed all required tasks using the agentmail CLI correctly. Step 1: Listed inboxes (empty) th... Best
Used CLI Correctly	Passed+20Agent used CLI commands correctly Best	Passed+20Agent used CLI commands correctly Best	Passed+20Agent used CLI commands correctly Best
Partial Credit	Passed+10Partial credit: 100% Best	Passed+10Partial credit: 100% Best	Passed+10Partial credit: 100% Best
Zero Errors	Passed+10No errors Best	Passed+10No errors Best	Passed+10No errors Best
Efficiency	Partial+69 tool calls (<=10, great) Best	Partial+3.511 tool calls (<=15, good)	Partial+3.512 tool calls (<=15, good)
Time	Partial+680s (1-2min, great)	Partial+682s (1-2min, great)	Passed+1060s (<60s, excellent) Best
Cost	Partial+6$0.12 ($0.10-0.20, great) Best	Partial+6$0.15 ($0.10-0.20, great) Best	Partial+6$0.13 ($0.10-0.20, great) Best
Runtime (actual)	1m 19s	1m 21s	59s Best
Cost (actual)	$0.1180 Best	$0.1530	$0.1333
Tool calls	9 Best	11	12
Errors	0 Best	0 Best	0 Best
Tokens used	248,805 Best	271,509	340,255
CLI Discovery
Discovery score	100% Best	93%	100% Best
CLI exists	Passed5/5resend Best	Passed5/5lk Best	Passed5/5agentmail Best
Install docs	Passed5/5npm Best	Passed5/5binary download Best	Passed5/5npm Best
Auth method	Passed25/25env var Best	Passed25/25env var Best	Passed25/25env var Best
Non-interactive	Passed25/25auto detect Best	Partial18/25flag	Passed25/25auto detect Best
JSON output	Passed15/15full Best	Passed15/15full Best	Passed15/15full Best
llms.txt	Passed5/5 Best	Passed5/5 Best	Passed5/5 Best
Agent skill	Passed20/20 Best	Passed20/20 Best	Passed20/20 Best
Eval Details
Integration task	# Task Using the resend CLI (Resend), perform email operations: 1. Create a new email inbox (or list available inboxes) 2. Send an email from an inbox to a ***** email with subje...	# Task Using the lk CLI (LiveKit), manage real-time rooms: 1. List existing rooms: `lk room list` 2. Create a new room called "***-leaderboard-room": `lk room create ***-lead...	# Task Using the agentmail CLI (Agentmail), perform email operations: 1. Create a new email inbox (or list available inboxes) 2. Send an email from an inbox to "support@lightsage...
Generated files	1	1	1
Trace tool calls	9	11	12
Completed	9/27/2026	9/27/2026	10/15/2026
Stderr	None captured	None captured	None captured