Artificial Analysis
#6of 51
Score 41.8. Best run: anthropic/claude-opus-4.8.
Intelligence Index: a composite of reasoning, knowledge, maths and coding evaluations.
Anthropic
Claude Opus 4.8 benchmarks, ranks and price
Where Artificial Analysis, LiveBench, LMArena and Berkeley BFCL place Claude Opus 4.8, what it costs through OpenRouter and Vercel AI Gateway, and the models either side of it on the consensus.
Read Oct 1, 2026
#7of 85
on the LLM leaderboard, with a consensus score of 79 across 3 leaderboards.
Source: Artificial Analysis, LiveBench, LMArena and Berkeley BFCL, combined by Rank.ai.
By leaderboard
Where each leaderboard places Claude Opus 4.8
LiveBench
#5of 34
Score 78.9. Best run: Claude Opus 4.8 xHigh Effort.
Contamination-limited questions refreshed each release: reasoning, maths, coding, data analysis, language.
LMArena
#10of 79
Score 1484. Best run: claude-opus-4-8-thinking.
Blind head-to-head human votes, style controlled.
Berkeley BFCL
Not measured by Berkeley BFCL.
Function calling and tool use, single turn to multi turn and web search.
Price and context
$10
OpenRouter: $5.00 in, $25 out. Vercel AI Gateway: $5.00 in, $25 out Context window 1M tokens. LiveBench cost per solved task $0.688.
Nearby
The models either side of Claude Opus 4.8
- #4Kimi K380
- #5GPT-5.580
- #6gemini-3-pro79
- #7Claude Opus 4.879
- #8Claude Opus 4.7 xHigh Effort74
- #9GPT 5.4 xHigh73
- #10Gemini 3.1 Pro Preview72
Questions about Claude Opus 4.8
How good is Claude Opus 4.8?
Claude Opus 4.8 ranks #7 of 85 models on the Rank.ai LLM leaderboard, with a consensus score of 79 out of 100 across 3 leaderboards.
Is Claude Opus 4.8 better than gemini-3-pro?
Not on the consensus: gemini-3-pro scores 79 to Claude Opus 4.8's 79. Compare them source by source below, since the leaderboards test different things.
Is Claude Opus 4.8 better than Claude Opus 4.7 xHigh Effort?
On the consensus, yes: 79 to 74.
How much does Claude Opus 4.8 cost?
$5.00 per million input tokens and $25 per million output tokens on OpenRouter, the cheaper listing we read. Blended at three input tokens to one output, that is $10 per million.
Is Claude Opus 4.8 good for coding?
It scores 74.3 on the Artificial Analysis Coding Index, placing it #7 for coding among the models on this leaderboard.
These models recommend brands. See if they name yours.
Enter your website. In about two minutes, Rank.ai asks ChatGPT, Claude and Gemini 12 questions your customers ask and grades how often they name you.
- Your grade out of 100How often AI names you, cites your site, and how high it ranks you.
- Who gets namedEvery competitor in the answers, most named first.
- The pages AI readsThe sources behind each answer.
- Three fixesWhat to fix first, with a brief for the first article.