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Claude Opus 5

New· 4

Anthropic's flagship model with a 1M-token context, aimed at agentic coding and long-horizon reasoning

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TrustList summary

Anthropic released Claude Opus 5 on 24 July 2026 as its flagship model, with a context window of 1M tokens. It is positioned for agentic coding, computer use and long-horizon reasoning.

Main features

  • Agentic coding: positioned for coding work carried out by agents.
  • Computer use: positioned for tasks in which the model operates a computer.
  • Long-horizon reasoning: positioned for extended reasoning across long tasks.
  • Benchmark results: Anthropic's figures show 96.0% for SWE-bench Verified and 43.3% for Frontier-Bench v0.1.

Key facts

  • Released: 24 July 2026
  • Context window: 1M tokens
  • Predecessor comparison: Anthropic reports the Frontier-Bench result is roughly double the 21.1% recorded for Opus 4.8

Summary written by TrustList from the business's own published information, Oct 2026.

Benchmarks & AI stats

AI model rankings
BenchmarkOfficialCommunity avg
SWE-bench Verifiedcode96 %-

“Official” values are editor-approved and feed the ranking. “Community avg” is the mean of member submissions (shown for transparency; it never affects the ranking until an editor approves a value).

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Trust Score

4/ 100
Trust Score: New

An earned signal from verification, reviews, awards, transparency and engagement - the vendor can't buy it.

Verification
0/100 · 20%
Reviews
0/100 · 30%
Awards
0/100 · 15%
Transparency
18/100 · 20%
Engagement
0/100 · 15%
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Complaints
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Updated 9/16/2026

What the business tells TrustList

Founded
2026 (0 years) evidence sent

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