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AnthropicReleased February 17, 2026

Claude Sonnet 4.6 (Non-reasoning, Low Effort)

Anthropic · Released February 17, 2026

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Intelligence score

34

At a glance

Intelligence
34
Speed
46.9tokens/sec
Latency
1.21stime to first token
Input price
$3.00per 1M tokens
Output price
$15.00per 1M tokens
Context window
5tokens
Parameters
—

Summary

Comparison summary

Claude Sonnet 4.6 (Non-reasoning, Low Effort) scores 34 (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 Sonnet 4.6 (Non-reasoning, Low Effort) generates output at 46.9 tokens per second (based on Anthropic's API), which is at the lower end compared to other non-reasoning models in a similar price tier (median: 64.2 t/s). Claude Sonnet 4.6 (Non-reasoning, Low Effort) costs $3.00 per 1M input tokens (somewhat higher than average, median: $1.88) and $15.00 per 1M output tokens (somewhat higher than average, median: $7.75), based on Anthropic's API.

Specifications

Technical specifications

Model nameClaude Sonnet 4.6 (Non-reasoning, Low Effort)
ProviderAnthropic
Release dateFebruary 17, 2026
Intelligence score34
Speed46.9 tokens/sec
Latency (TTFT)1.21s
Input price$3.00 / 1M tokens
Output price$15.00 / 1M tokens
Context window5 tokens
Parameters—
ReasoningNo
Input modalitiestext, image
Output modalities—
Open weightsNo
License—
API availability—
SourceModel Intelligence legacy profile: claude-sonnet-4-6-non-reasoning-low-effort

Pricing

Token prices

Price per 1M tokens

Claude Sonnet 4.6 (Non-reasoning, Low Effort), as listed in the catalog record

Input $3.00 and output $15.00 per 1M tokens. Missing prices are hatched and marked "Not published".
  1. Input$3.00
  2. Output$15.00

Model Intelligence legacy profile: claude-sonnet-4-6-non-reasoning-low-effort

FAQ · 18

Frequently asked questions

Claude Sonnet 4.6 (Non-reasoning, Low Effort) was released on February 17, 2026.

Claude Sonnet 4.6 (Non-reasoning, Low Effort) was created by Anthropic.

Claude Sonnet 4.6 (Non-reasoning, Low Effort) scores 34 (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 Sonnet 4.6 (Non-reasoning, Low Effort) generates output at 46.9 tokens per second (based on Anthropic's API), which is at the lower end compared to other non-reasoning models in a similar price tier (median: 64.2 t/s).

Claude Sonnet 4.6 (Non-reasoning, Low Effort) has a time to first token (TTFT) of 1.21s (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 Sonnet 4.6 (Non-reasoning, Low Effort) costs $3.00 per 1M input tokens (somewhat higher than average, median: $1.88) and $15.00 per 1M output tokens (somewhat higher than average, median: $7.75), based on Anthropic's API.

Claude Sonnet 4.6 (Non-reasoning, Low Effort) costs $3.00 per 1M input tokens and $15.00 per 1M output tokens (based on Anthropic's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $2.31 per 1M tokens. Pricing may vary by provider.

No, Claude Sonnet 4.6 (Non-reasoning, Low Effort) is not a reasoning model. It provides direct responses without extended chain-of-thought reasoning.

Claude Sonnet 4.6 (Non-reasoning, Low Effort) supports text and image input.

Claude Sonnet 4.6 (Non-reasoning, Low Effort) supports text output.

Yes, Claude Sonnet 4.6 (Non-reasoning, Low Effort) supports image input and can analyze, describe, and answer questions about images.

Yes, Claude Sonnet 4.6 (Non-reasoning, Low Effort) is multimodal. It can process text and image input and generate text output.

Claude Sonnet 4.6 (Non-reasoning, Low 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 Sonnet 4.6 (Non-reasoning, Low Effort) is proprietary. The model weights are not publicly available.

Claude Sonnet 4.6 (Non-reasoning, Low Effort) is a proprietary model and Anthropic has not disclosed the model size or parameter count.

Claude Sonnet 4.6 (Non-reasoning, Low Effort) achieves a score of 34 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

Yes, Claude Sonnet 4.6 (Non-reasoning, Low Effort) is available via API through 1 provider.

Claude Sonnet 4.6 (Non-reasoning, Low Effort) is available through 1 API provider.