Claude Opus 4.8
It processes text, images, and files to generate text and assist with reasoning.
anthropic’s large language model, able to hold about 1000k tokens of context (roughly 750k words) in one conversation, working across text and image and file->text. You reach it through an API or through tools built on it. Built for anyone who needs to analyze text, images, and files. anthropic describes it as: “Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family.” source ↗
Our tested score
Battle record
unfought
no battle yet — we don't guess
Forum sentiment (90d)
50%
developer-forum posts: 12 opinions in 109
What people are posting (90 days)
Loudest post this quarter
“Is Claude pro subscription worth it without Fable 5?”
Compare Claude Opus 4.8 against…
GPT-5.6 Luna · spreadsheets & ExcelGPT-5.6 Terra · spreadsheets & ExcelGPT-5.3-Codex · spreadsheets & ExcelGPT-5.6 Sol · spreadsheets & ExcelGPT-5.5 · spreadsheets & ExcelGLM 5.2 · spreadsheets & ExcelQwen3.7 Max · spreadsheets & ExcelGrok 4.5 · spreadsheets & ExcelDeepSeek V4 Flash · spreadsheets & ExcelGPT-5.5 · summarising documentsGPT-5.6 Luna · summarising documentsGPT-5.6 Terra · summarising documentsGPT-5.3-Codex · summarising documentsDeepSeek V4 Pro · summarising documentsGPT-5.6 Sol · summarising documentsClaude Sonnet 5 · summarising documentsClaude Opus 4.6 · summarising documentsClaude Fable 5 · summarising documentsGPT-5.6 Terra · everyday maths
Every claim we hold (6)
- api price in per 1m5 USD/1M tokensOpenRouter API17 Aug 2026verified
- api price out per 1m25 USD/1M tokensOpenRouter API17 Aug 2026verified
- arena elo text1452 EloLMArena leaderboard (CC-BY-4.0)17 Aug 2026verified
- arena rank text34 rankLMArena leaderboard (CC-BY-4.0)17 Aug 2026verified
- arena votes text41219 votesLMArena leaderboard (CC-BY-4.0)17 Aug 2026verified
- context length1000000 tokensOpenRouter API17 Aug 2026verified