Model Comparison 2026

Claude Opus 4.8 vs DeepSeek V4 Pro

Claude Opus 4.8
Anthropic · Frontier · Proprietary
$11/1M · 1M ctx
DeepSeek V4 Pro
DeepSeek · Frontier · Open weights
$0.57/1M · 1.0M 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
Opus 4.8
DeepSeek V4 Pro
Maker
Anthropic
DeepSeek
Blended price / 1M
$11
$0.57
Input / output
$5.00 in · $25 out / 1M tokens
$0.43 in · $0.87 out / 1M tokens
Context window
1M
1.0M
Open weights
No
Yes
Tool use
Yes
Yes
Reasoning
Yes
Yes
Output Quality
9.6
8.9
Agentic Ability
9.6
9.0
Speed
7.2
7.4
Value for $
7.5
9.4
Reliability
9.5
8.8

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

Verdict: Opus 4.8 or DeepSeek V4 Pro?

Updated 2026-08-02

Choose Claude Opus 4.8 if you want hard, high-stakes coding and reasoning where quality matters more than cost. Choose DeepSeek V4 Pro if you want cost-conscious agents that still want top-tier output.

In our editorial scoring, Claude Opus 4.8 leads in 3 of five dimensions (output quality, agentic ability and reliability), while DeepSeek V4 Pro leads in 2. On price, Claude Opus 4.8 runs about $11 per 1M tokens (blended) and is proprietary; DeepSeek V4 Pro is about $0.57 and open-weight.

Where Opus 4.8 falls short
  • Among the most expensive models per token
  • Slower than lighter models on simple tasks
Full Opus 4.8 breakdown →
Where DeepSeek V4 Pro falls short
  • Tool-use polish behind the top closed models
  • Hosted throughput varies by provider
Full DeepSeek V4 Pro breakdown →

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