Model Comparison 2026

Claude Sonnet 4.6 vs DeepSeek V3.2

Claude Sonnet 4.6
Anthropic · Balanced · Proprietary
$6.60/1M · 1M ctx
DeepSeek V3.2
DeepSeek · Balanced · Open weights
$0.31/1M · 164K ctx

Community Vote

Pick a winner in each dimension — change your vote anytime.

Output Quality
Correctness and depth of what it produces
Agentic Ability
Tool calls, instruction-following, and multi-step tasks
Speed
Tokens per second and time-to-first-token
Value for $
How much capability you get per dollar
Reliability
Consistent results — fewer refusals, loops, and format breaks

Specs & Pricing, Side by Side

Spec
Sonnet 4.6
DeepSeek V3.2
Maker
Anthropic
DeepSeek
Blended price / 1M
$6.60
$0.31
Input / output
$3.00 in · $15 out / 1M tokens
$0.27 in · $0.40 out / 1M tokens
Context window
1M
164K
Open weights
No
Yes
Tool use
Yes
Yes
Reasoning
Yes
Yes
Output Quality
9.1
7.6
Agentic Ability
9.2
7.4
Speed
8.0
7.8
Value for $
8.0
9.4
Reliability
9.4
8.6

Pricing and capabilities synced from the OpenRouter catalogue. Scores are editorial (0–10).

Verdict: Sonnet 4.6 or DeepSeek V3.2?

Updated 2026-08-02

Choose Claude Sonnet 4.6 if you want the everyday agent default — strong quality without the flagship price. Choose DeepSeek V3.2 if you want dependable open-weight output on a tight budget.

In our editorial scoring, Claude Sonnet 4.6 leads in 4 of five dimensions (output quality, agentic ability, speed and reliability), while DeepSeek V3.2 leads in 1. On price, Claude Sonnet 4.6 runs about $6.60 per 1M tokens (blended) and is proprietary; DeepSeek V3.2 is about $0.31 and open-weight.

Where Sonnet 4.6 falls short
  • Still steps behind Opus on the very hardest tasks
  • Pricier than open-weight models of similar quality
Full Sonnet 4.6 breakdown →
Where DeepSeek V3.2 falls short
  • Shorter 128K context
  • Superseded by V4 on quality
Full DeepSeek V3.2 breakdown →

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