Claude Opus 4.8

By Anthropic. 6 results on 6 boards, copied as published. Different boards, different metrics: don't add them up.

License (as listed)Proprietary

Hosting regionNot confirmed

Boards6

Code

88.6%Vals AI — SWE-bench Verified
Claude Opus 4.8 · % resolved · board #12
Mini-SWE-agent · as of 2026-09-01 Stale ↗

Agentic / terminal

23.64%Terminal-Bench 4.0
Opus 4.8 (max) · Resolution rate
Claude Code · as of 2026-05-28 Stale ↗

Websites

1556LMArena WebDev Arena
claude-opus-4-8-high · Arena score · board #42
LMArena WebDev (agentic front-end tasks) · as of 2026-10-22 ↗
82.72%Vals AI Vibe Code Bench v1.1
Claude Opus 4.8 · Score % · board #21
OpenHands · as of 2026-10-20 ↗
1249Design Arena (Fullstack)
claude-opus-4-8 · Elo · board #13
Design Arena · as of 2026-10-24 ↗

Design

No result on the boards we captured

Android

72.4%Android Bench 1.0 tasks (100 tasks)
Claude Opus 4.8 · Score %
not_stated · as of 2026-08-11 ↗

iOS

No mature public leaderboard

Available in

No plan row in our pricing data names this model version.

Use cases with this model

No sourced use case names this exact model version.

Same family: Claude 44

Claude Opus 5.5Claude Sonnet 5.5

A business tycoon game "85% done … All built with Opus 5.5 + Sonnet 5.5"

Builder: @alexcooldev
Posted: Oct 15, 2026
Plan: —
Cost: Not disclosed

CodeRead the post

x.com · link re-checked 2026-10-16

Claude Opus 5.5

A Picasso-style three.js Tetris; Opus 5.5 also played and recorded the game itself

Builder: @SimonasLTU1
Posted: Oct 15, 2026
Plan: —
Cost: Not disclosed

DesignRead the post

x.com · link re-checked 2026-10-16

GPT-6.1 SolClaude Opus 5.5

A game "in about two weeks". GPT-6.1 Sol made the assets, Opus 5.5 did "most of the coding and game logic"

Builder: @hakimieiqbal
Posted: Oct 15, 2026
Plan: —
Cost: Not disclosed

CodeRead the post

x.com · link re-checked 2026-10-16

Claude Opus 5.5Model test

Cost (user-reported): "look what it built through the API in 3 minutes for $0.19. Claude Opus 5.5 took 15 minutes and $2.61 on the same prompt."

Builder: @0xKense1
Posted: Oct 15, 2026
Plan: —
Cost: Not disclosed

DesignRead the post

x.com · link re-checked 2026-10-16

Claude CodeClaude Sonnet 5.5

Rebuilt Shopify's four AI "gates" in headless Claude Code on tinydb and measured which gates catch bugs

Builder: AI Dive
Posted: Oct 14, 2026
Plan: Sonnet 5.5
Cost: Stated: $0.085" (no gate) to "$0.28" per run

CodeRead the post

dev.to · web source · link re-checked 2026-10-16

Claude Opus 5.5Gemini 4 ArgonModel test

Test: "Same prompt and same references, Opus 5.5 vs Gemini 4 Argon. Opus did it in one shot. Argon got 3 rounds of feedback and still can't match…

Builder: @anxuanng
Posted: Oct 14, 2026
Plan: —
Cost: Not disclosed

DesignRead the post

x.com · link re-checked 2026-10-16

All 44 Claude use cases →

Sources

lmarena.ai/leaderboard/webdev vals.ai/benchmarks/vibe-code vals.ai/benchmarks/swebench developer.android.com/bench tbench.ai/leaderboard designarena.ai/leaderboard/fullstack

Claude Opus 4.8

Available in

Use cases with this model

Same family: Claude 44

A business tycoon game "85% done … All built with Opus 5.5 + Sonnet 5.5"

A Picasso-style three.js Tetris; Opus 5.5 also played and recorded the game itself

A game "in about two weeks". GPT-6.1 Sol made the assets, Opus 5.5 did "most of the coding and game logic"

Cost (user-reported): "look what it built through the API in 3 minutes for $0.19. Claude Opus 5.5 took 15 minutes and $2.61 on the same prompt."

Rebuilt Shopify's four AI "gates" in headless Claude Code on tinydb and measured which gates catch bugs

Test: "Same prompt and same references, Opus 5.5 vs Gemini 4 Argon. Opus did it in one shot. Argon got 3 rounds of feedback and still can't match…

Sources

The weekly diff