Model Library
AnthropicReleased November 24, 2025Claude Opus 4.5
Anthropic · Released November 24, 2025
Intelligence score
41
At a glance
- Intelligence
- 41
- Speed
- 59.7tokens/sec
- Latency
- 13.31stime 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 (Reasoning) scores 41 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other reasoning models in a similar price tier (median: 28). Claude Opus 4.5 (Reasoning) generates output at 59.7 tokens per second (based on Anthropic's API), which is below average compared to other reasoning models in a similar price tier (median: 81.2 t/s). Claude Opus 4.5 (Reasoning) costs $5.00 per 1M input tokens (at the higher end, median: $1.50) and $25.00 per 1M output tokens (at the higher end, median: $8.40), based on Anthropic's API.
Specifications
Technical specifications
| Model name | Claude Opus 4.5 |
|---|---|
| Provider | Anthropic |
| Release date | November 24, 2025 |
| Intelligence score | 41 |
| Speed | 59.7 tokens/sec |
| Latency (TTFT) | 13.31s |
| Input price | $5.00 / 1M tokens |
| Output price | $25.00 / 1M tokens |
| Context window | 200,000 tokens |
| Parameters | — |
| Reasoning | Yes |
| Input modalities | text, image |
| Output modalities | — |
| Open weights | No |
| License | — |
| API availability | — |
| Source | Model Intelligence legacy profile: claude-opus-4-5-thinking |
Pricing
Token prices
Price per 1M tokens
Claude Opus 4.5, as listed in the catalog record
- Input$5.00
- Output$25.00
| Token type | Price per 1M |
|---|---|
| Input | $5.00 |
| Output | $25.00 |
Model Intelligence legacy profile: claude-opus-4-5-thinking
FAQ · 19
Frequently asked questions
Claude Opus 4.5 (Reasoning) was released on November 24, 2025.
Claude Opus 4.5 (Reasoning) was created by Anthropic.
Claude Opus 4.5 (Reasoning) scores 41 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other reasoning models in a similar price tier (median: 28).
Claude Opus 4.5 (Reasoning) generates output at 59.7 tokens per second (based on Anthropic's API), which is below average compared to other reasoning models in a similar price tier (median: 81.2 t/s).
Claude Opus 4.5 (Reasoning) has a time to first token (TTFT) of 13.31s (based on Anthropic's API), which is at the higher end compared to other reasoning models in a similar price tier (median: 2.77s).
Claude Opus 4.5 (Reasoning) costs $5.00 per 1M input tokens (at the higher end, median: $1.50) and $25.00 per 1M output tokens (at the higher end, median: $8.40), based on Anthropic's API.
Claude Opus 4.5 (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.
Yes, Claude Opus 4.5 (Reasoning) is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.
Claude Opus 4.5 (Reasoning) supports text and image input.
Claude Opus 4.5 (Reasoning) supports text output.
Yes, Claude Opus 4.5 (Reasoning) supports image input and can analyze, describe, and answer questions about images.
Yes, Claude Opus 4.5 (Reasoning) is multimodal. It can process text and image input and generate text output.
Claude Opus 4.5 (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 (Reasoning) is proprietary. The model weights are not publicly available.
Claude Opus 4.5 (Reasoning) is a proprietary model and Anthropic has not disclosed the model size or parameter count.
Claude Opus 4.5 (Reasoning) achieves a score of 41 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.
Claude Opus 4.5 (Reasoning) has a knowledge cutoff of August 2025. The model's training data includes information up to this date.
Yes, Claude Opus 4.5 (Reasoning) is available via API through 4 providers.
Claude Opus 4.5 (Reasoning) is available through 4 API providers.