Claude Opus 5
AnthropicJul 24, 2026N/A
Anthropic's July flagship: a step-change over Opus 4.8 in coding and agentic work, tripling the next-best model on ARC-AGI 3 while keeping Opus-tier pricing ($5/$25). Effort settings trade intelligence for speed/cost.
- Status
- Generally available
- License
- Proprietary API
- Context window
- 200K
- Max output
- 64K
- Input · $/M
- $5
- Output · $/M
- $25
- Cached input · $/M
- $0.5
- Blended · $/M
- $10.00
- Parameters
- Undisclosed
- Inputs
- Text + images
- Speed
- Fast mode ≈2.5× speed at 2× price
Benchmarks
This model has no published scores on the benchmarks we track yet. Specs and pricing below the fold are still fully sourced.
Reasoning & knowledge
GPQA Diamond
no public score
MMLU-Pro
no public score
Humanity's Last Exam
no public score
ARC-AGI-2
no public score
Coding
SWE-bench Verified
no public score
SWE-bench Pro
no public score
LiveCodeBench
no public score
Agents & computer use
Terminal-Bench 2
no public score
OSWorld 2.0
no public score
BrowseComp
no public score
Math
AIME 2026
no public score
Known strengths
- ARC-AGI 3 frontier (3× next best)
- +22% agentic coding vs Opus 4.7 (Lovable evals)
- OSWorld 2.0 best-at-cost
- Lowest misalignment score of recent Anthropic models
Caveats
- Vendor-reported scores
- Context window not stated in announcement