Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)
Intelligence
51.7
#21/523
Coding
50.9
#12/429
Math
—
Speed
56 tok/s
TTFT: 35.10s
Pricing
$3.00 / $15.00
per 1M tokens (in/out)
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) is Anthropic’s advanced AI model designed for complex reasoning tasks. It processes at a speed of 55.871 tokens per second and is priced at $3 per million input tokens, targeting professional users.
When to Use Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)
✓ Best For
- Data analysis and interpretation.
- Complex coding tasks.
- Mathematical problem solving.
✗ Not Ideal For
- Basic conversational applications.
- High-speed real-time processing needs.
How Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) Compares
Intelligence Index · Higher is better
AnthropicAlibabaDeepSeekZ AI
Benchmark Profile
Coding Index
OpenAIAnthropicAlibaba
Output Speed · tok/s
MiniMaxAlibabaAnthropic
Intelligence · Coding · Math
Intelligence
Coding
Math
All Benchmark Scores (22)
| Benchmark | Score | |
|---|---|---|
| Intelligence Index | 51.7 | |
| Coding Index | 50.9 | |
| GPQA | 875% | |
| HLE | 30% | |
| SciCode | 46.8% | |
| IFBench | 56.6% | |
| LCR | 70.7% | |
| TerminalBench Hard | 53% | |
| Tau2 | 75.7% | |
| ARC-AGI v2 | 58.3% | |
| BrowseComp | 74.7% | |
| Finance Agent | 63.3% | |
| GDPval-AA | 1633% | |
| Humanity's Last Exam | 49% | |
| MCP Atlas | 61.3% | |
| MMMLU | 89.3% | |
| MMMU-Pro | 75.6% | |
| OSWorld | 72.5% | |
| SWE-Bench Verified | 79.6% | |
| Tau2 Retail | 91.7% | |
| Tau2 Telecom | 97.9% | |
| Terminal-Bench 2.0 | 59.1% |
Data: Artificial Analysis · Updated: April 10, 2026
Frequently Asked Questions (15)
When was Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) released?
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) was released on February 17, 2026.
Who created Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)?
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) was created by Anthropic.
How intelligent is Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)?
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) scores 52 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 Sonnet 4.6 (Adaptive Reasoning, Max Effort)?
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) generates output at 62.7 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 Sonnet 4.6 (Adaptive Reasoning, Max Effort)?
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) has a time to first token (TTFT) of 95.11s (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 Sonnet 4.6 (Adaptive Reasoning, Max Effort) cost?
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) costs $3.00 per 1M input tokens (somewhat higher than average, median: $1.35) and $15.00 per 1M output tokens (somewhat higher than average, median: $8.40), based on Anthropic's API.
What is Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) API pricing?
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) costs $3.00 per 1M input tokens and $15.00 per 1M output tokens (based on Anthropic's API). For a blended rate (3:1 input to output ratio), this is $6.00 per 1M tokens. Pricing may vary by provider.
How verbose is Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)?
When evaluated on the Intelligence Index, Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) generated 200M output tokens, which is at the higher end compared to other reasoning models in a similar price tier (median: 30M).
Is Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) a reasoning model?
Yes, Claude Sonnet 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 Sonnet 4.6 (Adaptive Reasoning, Max Effort) support?
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) supports text and image input.
What output modalities does Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) support?
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) supports text output.
Can Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) process images?
Yes, Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) supports image input and can analyze, describe, and answer questions about images.
Is Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) multimodal?
Yes, Claude Sonnet 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 Sonnet 4.6 (Adaptive Reasoning, Max Effort)?
Claude Sonnet 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 Sonnet 4.6 (Adaptive Reasoning, Max Effort) open source?
No, Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) is proprietary. The model weights are not publicly available.
