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

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Resend
LiveKit
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Resend

Resend

Email

LiveKit

LiveKit

Voice Infra

Summary

Compare status

Comparable
Comparable

Overall score

76
Best
71

Grade

B
C

Category

Email
Voice Infra

Overall rank

#29
Best
#66

Category rank

#1
Best
#1
Best
Agent Performance

Eval score

72%
Best
71%

Task success

Yes
Yes

Cost

$0.3754
Best
$0.4125

Tool calls

27
Best
31

Errors

7
3
Best

Runtime

1m 42s
Best
1m 48s

Tokens used

868,719
330,825
Best

Exit code

0
Best
0
Best
Discoverability

Discovery score

86%
Best
71%

Context7

No
No

llms.txt

MCP Server

Typed SDK

OpenAPI

Best
No

Agent Skills

Eval Details

Integration task

# Task Using https://resend.com/docs, complete the following task: Using Resend, build me a script that: 1. Create a new email inbox 2. Send an email from that inbox to "support...
# Task Using https://docs.livekit.io, complete the following task: Using the LiveKit Python SDK, build me a script that manages real-time voice infrastructure: 1. Install the of...

Generated files

1
2

Trace tool calls

27
31

Completed

9/30/2026
9/26/2026

Stderr

None captured
None captured