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AnthropicReleased November 24, 2025

Claude Opus 4.5

Anthropic · Released November 24, 2025

Intelligence score

35

At a glance

Intelligence
35
Speed
51.3tokens/sec
Latency
1.51stime to first token
Input price
$5.00per 1M tokens
Output price
$25.00per 1M tokens
Context window
200Ktokens
Parameters
—

Summary

Comparison summary

Claude Opus 4.5 (Non-reasoning) scores 35 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other non-reasoning models in a similar price tier (median: 17). Claude Opus 4.5 (Non-reasoning) generates output at 51.3 tokens per second (based on Anthropic's API), which is below average compared to other non-reasoning models in a similar price tier (median: 64.2 t/s). Claude Opus 4.5 (Non-reasoning) costs $5.00 per 1M input tokens (at the higher end, median: $1.88) and $25.00 per 1M output tokens (at the higher end, median: $7.75), based on Anthropic's API.

Specifications

Technical specifications

Model nameClaude Opus 4.5
ProviderAnthropic
Release dateNovember 24, 2025
Intelligence score35
Speed51.3 tokens/sec
Latency (TTFT)1.51s
Input price$5.00 / 1M tokens
Output price$25.00 / 1M tokens
Context window200,000 tokens
Parameters—
ReasoningNo
Input modalitiestext, image
Output modalities—
Open weightsNo
License—
API availability—
SourceModel Intelligence legacy profile: claude-opus-4-5

Pricing

Token prices

Price per 1M tokens

Claude Opus 4.5, as listed in the catalog record

Input $5.00 and output $25.00 per 1M tokens. Missing prices are hatched and marked "Not published".
  1. Input$5.00
  2. Output$25.00

Model Intelligence legacy profile: claude-opus-4-5

FAQ · 19

Frequently asked questions

Claude Opus 4.5 (Non-reasoning) was released on November 24, 2025.

Claude Opus 4.5 (Non-reasoning) was created by Anthropic.

Claude Opus 4.5 (Non-reasoning) scores 35 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other non-reasoning models in a similar price tier (median: 17).

Claude Opus 4.5 (Non-reasoning) generates output at 51.3 tokens per second (based on Anthropic's API), which is below average compared to other non-reasoning models in a similar price tier (median: 64.2 t/s).

Claude Opus 4.5 (Non-reasoning) has a time to first token (TTFT) of 1.51s (based on Anthropic's API), which is better than average compared to other non-reasoning models in a similar price tier (median: 1.56s).

Claude Opus 4.5 (Non-reasoning) costs $5.00 per 1M input tokens (at the higher end, median: $1.88) and $25.00 per 1M output tokens (at the higher end, median: $7.75), based on Anthropic's API.

Claude Opus 4.5 (Non-reasoning) costs $5.00 per 1M input tokens and $25.00 per 1M output tokens (based on Anthropic's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $3.85 per 1M tokens. Pricing may vary by provider.

No, Claude Opus 4.5 (Non-reasoning) is not a reasoning model. It provides direct responses without extended chain-of-thought reasoning.

Claude Opus 4.5 (Non-reasoning) supports text and image input.

Claude Opus 4.5 (Non-reasoning) supports text output.

Yes, Claude Opus 4.5 (Non-reasoning) supports image input and can analyze, describe, and answer questions about images.

Yes, Claude Opus 4.5 (Non-reasoning) is multimodal. It can process text and image input and generate text output.

Claude Opus 4.5 (Non-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 Opus 4.5 (Non-reasoning) is proprietary. The model weights are not publicly available.

Claude Opus 4.5 (Non-reasoning) is a proprietary model and Anthropic has not disclosed the model size or parameter count.

Claude Opus 4.5 (Non-reasoning) achieves a score of 35 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

Claude Opus 4.5 (Non-reasoning) has a knowledge cutoff of August 2025. The model's training data includes information up to this date.

Yes, Claude Opus 4.5 (Non-reasoning) is available via API through 5 providers.

Claude Opus 4.5 (Non-reasoning) is available through 5 API providers.