Claude Opus 5
AI models review
As of Aug 12, 2026, Claude Opus 5 is rated 1494 Elo on LM Arena (19,353 Arena votes).
Benchmark and price facts
- Vendor
- Anthropic
- License
- proprietary
- LM Arena text
- 1494 Elo (#7 of 20)
- LM Arena coding
- 1666 Elo (#4)
- Price (input)
- $5 / 1M tokens
- Price (output)
- $25 / 1M tokens
- Context window
- 1,000,000 tokens
- AA Intelligence Index
- 61.5 / 100
- AA Coding Index
- 76.5 / 100
- Output speed (AA)
- 51 tokens/s
- Human votes
- 19,353
Elo and votes from LM Arena; intelligence, coding and speed indices from Artificial Analysis; price and context window from OpenRouter. Real fetched values, attributed, never blended.
Is Claude Opus 5 worth it in 2026?
Claude Opus 5 sits at rank 7 of 20 for general text (Elo 1494, about 19,000 votes) and rank 4 for coding (Elo 1666), making it a strong all-around model with a particular edge in coding tasks. Its 1,000,000-token context window is a standout feature for long-document work. The Artificial Analysis Coding Index of 76.5 and Intelligence Index of 61.5 reinforce its coding strength over general reasoning. Output speed is moderate at 51 tokens per second.
Developers and teams needing strong coding assistance (rank 4 coding Elo 1666) or long-document processing (1M token context), where quality outweighs cost.
Output pricing at 25 USD per 1M tokens is steep, making high-volume or cost-sensitive use cases expensive. General text rank of 7 of 20 means several competing models score higher for pure chat and general use.
AI-generated editorial synthesis of the source scores and sampled review themes, not a hands-on test. Reviewer experiences and allegations are not independently verified facts.
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