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Model details

Claude Opus 5

Claude Opus the listed price is Anthropic's flagship large language model, positioned for demanding reasoning, coding, and long-horizon agentic workloads. Third-party listings describe it as particularly strong at end-to-end software tasks, code review and bug finding, visual analysis of charts and documents, complex office deliverables, and coordinating parallel subagents. The model is designed to hold strong instruction following and tool use across extended tasks, while still being effective at lower effort settings when latency and token efficiency matter. Anthropic has published a Claude Opus the listed price System Card covering RSP Evaluations, Cyber, Safeguards and Harmlessness, Agentic Safety, and Alignment, signalling attention to responsible deployment alongside capability gains.

Available through Vertex, Opus the listed price serves practitioners who need sustained, multi-step work rather than single-turn answers. Its long context makes it well suited to repository-scale code review, multi-document analysis, and orchestrated agent pipelines where sub-tasks can be delegated and combined. Practically, it fits teams building production coding assistants, research workflows that blend chart and document interpretation, and enterprise automations that require careful instruction following over long horizons. Users should expect a top-of-line Opus-class model aimed at quality and depth of reasoning on complex problems.

Vertexclaude-opus-5@defaultclaude-opus

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Provider
Vertex
Model key
claude-opus-5@default
Release date
Jul 24, 2026
Last updated
Jul 24, 2026
Knowledge cutoff
2026-05
AI SDK package
@ai-sdk/google-vertex/anthropic
Input modalities
Output modalities
Capabilities

Cost

Input token cost
$5.00
Output token cost
$25.00

Limits

Output tokens
128,000 tokens
Context window
1,000,000 tokens

Transparent token rates

Compare Claude Opus 5 pricing

Rates are shown per one million tokens. Combined means one million input plus one million output tokens.

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Latest news about Claude Opus 5

Vertex

CoverageBenchmark

Cruxdigits' July 24, 2026 review reports that Anthropic released Claude Opus 5 on that date, positioning it as a model that gets close to Claude Fable 5 at roughly half the price, and states it is already the default model on Claude Max and the strongest model on Claude Pro. The piece notes Opus 5 is the fourth Claude A pricing ladder across the family is laid out: Sonnet 5 at $2 input / $10 output per million tokens for everyday work, Opus 5 at $5 / $25 for complex semi-autonomous tasks, and Fable 5 at $10 / $50 for the hardest problems. Cruxdigits emphasizes that the Opus 5 price matches what Anthropic charged for Opus 4.8, framin

Vertex

CoverageBenchmark

CodeRabbit's July 24, 2026 hands-on review frames Opus 5 less as a raw-capability bump and more as a shift in how the model is controlled and where it spends effort: effort becomes the primary control with thinking on by default, and per-turn task and effort budgets can now be changed mid-conversation without invalidat The review documents behavioral changes relevant to coding workflows: Opus 5 follows review instructions literally (so conservative language suppresses recall), produces longer default output that responds to prompting rather than the effort setting, verifies its own work without being asked, and can expand task scope.

Vertex

CoverageBenchmark

BenchLM's model record for Claude Opus 5 (data as of September 14, 2026) states the model was released on July 24, 2026, ships with a 1M-token context window, and lists API pricing at $5 per million input tokens and $25 per million output tokens, with cached input at $0.50 and a batch+cache rate of $0.25. A companion s The aggregator assigns Opus 5 a capability score of 81.9/100, ranking it 3rd out of 232 tracked models, and reports per-category percentiles including Agentic at the 99th percentile, Coding at the 99th, Knowledge at the 99th, Multimodal at the 98th, and Reasoning at the 47th. Token throughput is recorded at 51 tok/s wi

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