Model Library
AnthropicReleased February 5, 2026Claude Opus 4.6 (max)
Anthropic · Released February 5, 2026
Intelligence score
44
At a glance
- Intelligence
- 44
- Speed
- 43.7tokens/sec
- Latency
- 23.27stime to first token
- Input price
- $5.00per 1M tokens
- Output price
- $25.00per 1M tokens
- Context window
- 5tokens
- Parameters
- —
Summary
Comparison summary
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) scores 44 (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 4.6 (Adaptive Reasoning, Max Effort) generates output at 43.7 tokens per second (based on Anthropic's API), which is at the lower end compared to other reasoning models in a similar price tier (median: 81.2 t/s). Claude Opus 4.6 (Adaptive Reasoning, Max Effort) 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 4.6 (max) |
|---|---|
| Provider | Anthropic |
| Release date | February 5, 2026 |
| Intelligence score | 44 |
| Speed | 43.7 tokens/sec |
| Latency (TTFT) | 23.27s |
| Input price | $5.00 / 1M tokens |
| Output price | $25.00 / 1M tokens |
| Context window | 5 tokens |
| Parameters | — |
| Reasoning | Yes |
| Input modalities | text, image |
| Output modalities | — |
| Open weights | No |
| License | — |
| API availability | — |
| Source | Model Intelligence legacy profile: claude-opus-4-6-adaptive |
Pricing
Token prices
Price per 1M tokens
Claude Opus 4.6 (max), 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-4-6-adaptive
FAQ · 18
Frequently asked questions
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) was released on February 5, 2026.
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) was created by Anthropic.
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) scores 44 (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 4.6 (Adaptive Reasoning, Max Effort) generates output at 43.7 tokens per second (based on Anthropic's API), which is at the lower end compared to other reasoning models in a similar price tier (median: 81.2 t/s).
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) has a time to first token (TTFT) of 23.27s (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 4.6 (Adaptive Reasoning, Max Effort) 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 4.6 (Adaptive Reasoning, Max Effort) 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 4.6 (Adaptive Reasoning, Max Effort) is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) supports text and image input.
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) supports text output.
Yes, Claude Opus 4.6 (Adaptive Reasoning, Max Effort) supports image input and can analyze, describe, and answer questions about images.
Yes, Claude Opus 4.6 (Adaptive Reasoning, Max Effort) is multimodal. It can process text and image input and generate text output.
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) has a context window of 1.0M tokens. This determines how much text and conversation history the model can process in a single request.
No, Claude Opus 4.6 (Adaptive Reasoning, Max Effort) is proprietary. The model weights are not publicly available.
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) is a proprietary model and Anthropic has not disclosed the model size or parameter count.
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) achieves a score of 44 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.
Yes, Claude Opus 4.6 (Adaptive Reasoning, Max Effort) is available via API through 4 providers.
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) is available through 4 API providers.