Claude Opus 4.6 (Adaptive Reasoning, Max Effort)

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Anthropic
2026-02-05
Proprietary
Modality:
Intelligence
53
#17/523
Coding
48.1
#16/429
Math
Speed
48 tok/s
TTFT: 10.43s
Pricing
$5.00 / $25.00
per 1M tokens (in/out)
Google Preferred Source

Claude Opus 4.6 (Adaptive Reasoning, Max Effort) is Anthropic’s advanced AI model designed for various reasoning tasks. It processes at 47.679 tokens per second and is priced at $5 per million input tokens and $25 per million output tokens, targeting professional users.

When to Use Claude Opus 4.6 (Adaptive Reasoning, Max Effort)

✓ Best For

  • Complex problem-solving tasks.
  • Software development and coding assistance.
  • Data analysis and interpretation.

✗ Not Ideal For

  • Basic conversational applications.
  • High-speed real-time processing needs.

How Claude Opus 4.6 (Adaptive Reasoning, Max Effort) Compares

Intelligence Index · Higher is better

AlibabaxAIAnthropicMeta

Benchmark Profile

Coding Index

OpenAIAnthropic

Output Speed · tok/s

AlibabaAnthropicZ AI

Intelligence · Coding · Math

Intelligence Coding Math

All Benchmark Scores (33)

BenchmarkScore
Intelligence Index 53
Coding Index 48.1
GPQA 896%
HLE 367%
SciCode 51.9%
IFBench 53.1%
LCR 70.7%
TerminalBench Hard 46.2%
Tau2 92.1%
AIME 2025 99.8%
ARC-AGI v2 68.8%
BrowseComp 84%
CharXiv-R 77.4%
CyberGym 66.6%
DeepSearchQA 91.3%
FigQA 78.3%
Finance Agent 60.7%
GDPval-AA 1606%
Graphwalks BFS >128k 61.5%
Graphwalks parents >128k 95.4%
Humanity's Last Exam 53.1%
MCP Atlas 59.5%
MMMLU 91.1%
MMMU-Pro 77.3%
MRCR v2 (8-needle) 93%
OpenRCA 34.9%
OSWorld 72.7%
SWE-bench Multilingual 77.8%
SWE-Bench Verified 80.8%
Tau2 Retail 91.9%
Tau2 Telecom 99.3%
Terminal-Bench 2.0 65.4%
Vending-Bench 2 8017.6%

Data: Artificial Analysis · Updated: April 10, 2026

Frequently Asked Questions (15)

When was Claude Opus 4.6 (Adaptive Reasoning, Max Effort) released?
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) was released on February 5, 2026.
Who created Claude Opus 4.6 (Adaptive Reasoning, Max Effort)?
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) was created by Anthropic.
How intelligent is Claude Opus 4.6 (Adaptive Reasoning, Max Effort)?
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) scores 53 on the Artificial Analysis Intelligence Index, placing it well above average among other reasoning models in a similar price tier (median: 31).
How fast is Claude Opus 4.6 (Adaptive Reasoning, Max Effort)?
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) generates output at 49.2 tokens per second (based on Anthropic's API), which is below average compared to other reasoning models in a similar price tier (median: 67.8 t/s).
What is the latency of Claude Opus 4.6 (Adaptive Reasoning, Max Effort)?
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) has a time to first token (TTFT) of 18.65s (based on Anthropic's API), which is at the higher end compared to other reasoning models in a similar price tier (median: 2.64s).
How much does Claude Opus 4.6 (Adaptive Reasoning, Max Effort) cost?
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) costs $5.00 per 1M input tokens (at the higher end, median: $1.35) and $25.00 per 1M output tokens (at the higher end, median: $8.40), based on Anthropic's API.
What is Claude Opus 4.6 (Adaptive Reasoning, Max Effort) API pricing?
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 (3:1 input to output ratio), this is $10.00 per 1M tokens. Pricing may vary by provider.
How verbose is Claude Opus 4.6 (Adaptive Reasoning, Max Effort)?
When evaluated on the Intelligence Index, Claude Opus 4.6 (Adaptive Reasoning, Max Effort) generated 160M output tokens, which is at the higher end compared to other reasoning models in a similar price tier (median: 30M).
Is Claude Opus 4.6 (Adaptive Reasoning, Max Effort) a reasoning model?
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.
What input modalities does Claude Opus 4.6 (Adaptive Reasoning, Max Effort) support?
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) supports text and image input.
What output modalities does Claude Opus 4.6 (Adaptive Reasoning, Max Effort) support?
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) supports text output.
Can Claude Opus 4.6 (Adaptive Reasoning, Max Effort) process images?
Yes, Claude Opus 4.6 (Adaptive Reasoning, Max Effort) supports image input and can analyze, describe, and answer questions about images.
Is Claude Opus 4.6 (Adaptive Reasoning, Max Effort) multimodal?
Yes, Claude Opus 4.6 (Adaptive Reasoning, Max Effort) is multimodal. It can process text and image input and generate text output.
What is the context window of Claude Opus 4.6 (Adaptive Reasoning, Max Effort)?
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.
Is Claude Opus 4.6 (Adaptive Reasoning, Max Effort) open source?
No, Claude Opus 4.6 (Adaptive Reasoning, Max Effort) is proprietary. The model weights are not publicly available.