Anthropic model product
Claude Opus 5
Claude Opus 5 is Anthropic's flagship general-access model, built for efficient agentic coding, knowledge work, scientific research, computer use, and problem-solving.
Updated Aug 12, 2026. Default version: Claude Opus 5
LLMBoard score97.4Claude Opus 5
Coverage80%10 benchmark families
Context window1MTokens
Official input price$5Anthropic API
Claude Opus 5 Specifications
Technical details for the model's default version.
- Version
- Claude Opus 5
- Released
- Jul 24, 2026
- Knowledge cutoff
- May 1, 2026
- Parameters
- N/A
- Context window
- 1M
- Max output
- 128K
- Inputs
- image, pdf, text
- Outputs
- text
- Open weights
- No
- License
- Proprietary
Claude Opus 5 Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Claude Opus 5 Benchmark Results
Benchmark scores for Claude Opus 5.
| ARC-AGI-3 | 0.3 | 1 | 4 | 100.0% | C | |
| BioMysteryBench | 0.9 | 1 | 2 | 100.0% | C | |
| Frontier-Bench v0.1 | 0.4 | 1 | 1 | 100.0% | C | |
| FrontierCode | 0.5 | 1 | 3 | 100.0% | C | |
| OSWorld 2.0 | 0.7 | 1 | 4 | 100.0% | C | |
| AutomationBench | 0.3 | 2 | 8 | 85.7% | C | |
| BrowseComp | 0.9 | 2 | 58 | 98.3% | C | |
| FrontierCode 1.1 | 0.5 | 2 | 15 | 92.9% | B | |
| Humanity's Last Exam | 0.6 | 2 | 93 | 98.9% | C | |
| Legal Agent Benchmark | 0.1 | 2 | 13 | 91.7% | C | |
| HealthBench Professional | 0.6 | 3 | 9 | 75.0% | C | |
| DeepSWE 1.1 | 0.7 | 5 | 20 | 79.0% | C |
Claude Opus 5 Arena Results
Preference and agent-evaluation results for the default version.
| agent | overall | 1 | 0.1 | N/A | 2M | |
| agent steerability | overall | 1 | 0.1 | N/A | 18.3K | |
| agent task outcome explicit | overall | 1 | 0.2 | N/A | 9.8K | |
| document | overall | 1 | 1520.1 | 1,663 | N/A | |
| text | overall | 1 | 1507.8 | 9,018 | N/A | |
| text factuality | overall | 1 | 1493.8 | 9,018 | N/A | |
| webdev | overall | 1 | 1691.8 | 5,785 | N/A | |
| agent bash recovery steps | overall | 2 | 0.1 | N/A | 35.5K | |
| agent task outcome explicit | overall | 2 | 0.2 | N/A | 13.5K | |
| text | overall | 2 | 1505.2 | 18,726 | N/A | |
| vision | overall | 2 | 1327.3 | 3,821 | N/A | |
| agent | overall | 3 | 0.1 | N/A | 1.7M | |
| text factuality | overall | 4 | 1486.4 | 18,726 | N/A | |
| webdev | overall | 4 | 1667.1 | 6,542 | N/A | |
| agent bash recovery steps | overall | 5 | 0.1 | N/A | 48.2K | |
| agent praise complaint | overall | 5 | 0.2 | N/A | 5K | |
| agent praise complaint | overall | 6 | 0.2 | N/A | 3.5K | |
| document style control | overall | 6 | 1492.7 | 1,663 | N/A | |
| vision style control | overall | 6 | 1296.8 | 3,821 | N/A | |
| text style control | overall | 7 | 1493.6 | 18,726 | N/A | |
| text style control | overall | 8 | 1490.8 | 9,018 | N/A | |
| agent steerability | overall | 14 | 0.1 | N/A | 12.1K | |
| agent tool hallucination | overall | 16 | 0.0 | N/A | 1.6M | |
| agent tool hallucination | overall | 20 | 0.0 | N/A | 2M |
Claude Opus 5 Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $5 input, $25 output per 1M
- Official provider
- Anthropic
- Lowest third-party
- From $5 input, $25 output per 1M via CrossModel
- Tracked offerings
- 24
| CrossModel | anthropic/claude-opus-5 | global | $5 | $25 | 1M | |
| NanoGPT | anthropic/claude-opus-5 | global | $5 | $25 | 1M | |
| LLM Gateway | claude-opus-5 | global | $5 | $25 | 1M | |
| OpenCode Zen | claude-opus-5 | global | $5 | $25 | 1M | |
| GitHub Copilot | claude-opus-5 | global | $5 | $25 | 1M | |
| Neon | claude-opus-5 | global | $5 | $25 | 1M | |
| Pioneer | claude-opus-5 | global | $5 | $25 | 1M | |
| Azure Cognitive Services | claude-opus-5 | global | $5 | $25 | 1M | |
| Azure | claude-opus-5 | global | $5 | $25 | 1M | |
| Vertex (Anthropic) | claude-opus-5@default | global | $5 | $25 | 1M | |
| Ofox | anthropic/claude-opus-5 | global | $5 | $25 | 1M | |
| Vertex | claude-opus-5@default | global | $5 | $25 | 1M | |
| Amazon Bedrock | anthropic.claude-opus-5 | global | $5 | $25 | 1M | |
| Requesty | claude-opus-5 | global | $5 | $25 | 1M | |
| Kilo Gateway | anthropic/claude-opus-5 | global | $5 | $25 | 1M | |
| Merge Gateway | anthropic/claude-opus-5 | global | $5 | $25 | 1M | |
| Vercel AI Gateway | anthropic/claude-opus-5 | global | $5 | $25 | 1M | |
| OpenRouter | anthropic/claude-opus-5 | global | $5 | $25 | 1M | |
| Anthropic | claude-opus-5 | global | $5 | $25 | 1M | |
| Cloudflare AI Gateway | anthropic/claude-opus-5 | global | $5 | $25 | 1M | |
| Cortecs | claude-opus-5 | global | $5.5 | $27.5 | 1M | |
| Venice AI | claude-opus-5 | global | $6 | $30 | 1M | |
| Kilo Gateway | anthropic/claude-opus-5-fast | global | $10 | $50 | 1M |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
Claude Opus 5 Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
| Claude Opus 5 | 97.4 | N/A | 1M | 128K | No | Proprietary |
What is Claude Opus 5?
Key information about Claude Opus 5 and its available data.
Claude Opus 5 is Anthropic's flagship general-access model, built for efficient agentic coding, knowledge work, scientific research, computer use, and problem-solving. 8 across life-sciences evaluations, and support for configurable effort levels. 8.
Data as of 2026-08-11.
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FAQ
Common questions about Claude Opus 5.
When was Claude Opus 5 released?
Claude Opus 5's default version was released on Jul 24, 2026.
How much does Claude Opus 5 cost?
Claude Opus 5's official API price is $5 per million input tokens and $25 per million output tokens via Anthropic. The lowest tracked third-party offer starts at $5 input and $25 output via CrossModel.
Who created Claude Opus 5?
Claude Opus 5 was created by Anthropic.
What is the context window for Claude Opus 5?
The default version has a 1M token context window.
Is Claude Opus 5 open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer Claude Opus 5?
24 provider offerings are linked to the default version.
What models should I compare Claude Opus 5 with?
Nearby ranked alternatives include Claude Fable 5, GPT-5.6-Sol, Claude Mythos.