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AnthropicReleased May 22, 2025

Claude 4 Opus

Anthropic · Released May 22, 2025

Intelligence score

31

At a glance

Intelligence
31
Speed
—
Latency
—
Input price
$15.00per 1M tokens
Output price
$75.00per 1M tokens
Context window
200Ktokens
Parameters
—

Summary

Comparison summary

Claude 4 Opus (Reasoning) scores 31 (estimated) on the Artificial Analysis Intelligence Index, placing it above average among other reasoning models in a similar price tier (median: 28). Claude 4 Opus (Reasoning) costs $15.00 per 1M input tokens (at the higher end, median: $1.50) and $75.00 per 1M output tokens (at the higher end, median: $8.40), based on Anthropic's API.

Specifications

Technical specifications

Model nameClaude 4 Opus
ProviderAnthropic
Release dateMay 22, 2025
Intelligence score31
Speed—
Latency (TTFT)—
Input price$15.00 / 1M tokens
Output price$75.00 / 1M tokens
Context window200,000 tokens
Parameters—
ReasoningYes
Input modalitiestext, image
Output modalities—
Open weightsNo
License—
API availability—
SourceModel Intelligence legacy profile: claude-4-opus-thinking

Pricing

Token prices

Price per 1M tokens

Claude 4 Opus, as listed in the catalog record

Input $15.00 and output $75.00 per 1M tokens. Missing prices are hatched and marked "Not published".
  1. Input$15.00
  2. Output$75.00

Model Intelligence legacy profile: claude-4-opus-thinking

FAQ · 17

Frequently asked questions

Claude 4 Opus (Reasoning) was released on May 22, 2025.

Claude 4 Opus (Reasoning) was created by Anthropic.

Claude 4 Opus (Reasoning) scores 31 (estimated) on the Artificial Analysis Intelligence Index, placing it above average among other reasoning models in a similar price tier (median: 28).

Claude 4 Opus (Reasoning) costs $15.00 per 1M input tokens (at the higher end, median: $1.50) and $75.00 per 1M output tokens (at the higher end, median: $8.40), based on Anthropic's API.

Claude 4 Opus (Reasoning) costs $15.00 per 1M input tokens and $75.00 per 1M output tokens (based on Anthropic's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $11.55 per 1M tokens. Pricing may vary by provider.

Yes, Claude 4 Opus (Reasoning) is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.

Claude 4 Opus (Reasoning) supports text and image input.

Claude 4 Opus (Reasoning) supports text output.

Yes, Claude 4 Opus (Reasoning) supports image input and can analyze, describe, and answer questions about images.

Yes, Claude 4 Opus (Reasoning) is multimodal. It can process text and image input and generate text output.

Claude 4 Opus (Reasoning) has a context window of 200k tokens. This determines how much text and conversation history the model can process in a single request.

No, Claude 4 Opus (Reasoning) is proprietary. The model weights are not publicly available.

Claude 4 Opus (Reasoning) is a proprietary model and Anthropic has not disclosed the model size or parameter count.

Claude 4 Opus (Reasoning) achieves a score of 31 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

Claude 4 Opus (Reasoning) has a knowledge cutoff of March 2025. The model's training data includes information up to this date.

Yes, Claude 4 Opus (Reasoning) is available via API through 3 providers.

Claude 4 Opus (Reasoning) is available through 3 API providers.