Claude Opus 5 vs DeepSeek V4 Pro 0423
DeepSeek V4 Pro 0423 is cheaper on output tokens ($3.2 vs $25 per 1M), and DeepSeek V4 Pro 0423 has the larger context window (1.0M). The best choice depends on your task — and with Vincony you don't have to pick just one.
| Spec | Claude Opus 5 | DeepSeek V4 Pro 0423 |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Context window | 1M | 1.0M |
| Input price /1M | $5 | $1.6 |
| Output price /1M | $25 | $3.2 |
| Input | text, image, file | text |
Prices are per 1M tokens, indicative pricing via OpenRouter (updated 2026-08-22); a provider's own list price may differ. Highlighted cells mark the cheaper price / larger context.
Frequently asked questions
Is Claude Opus 5 or DeepSeek V4 Pro 0423 cheaper?
DeepSeek V4 Pro 0423 is cheaper on output tokens ($3.2 vs $25 per 1M). Input is $1.6 vs $5.
Which has a bigger context window, Claude Opus 5 or DeepSeek V4 Pro 0423?
DeepSeek V4 Pro 0423 has the larger context window at 1.0M tokens, versus 1M for the other.
Can I use both Claude Opus 5 and DeepSeek V4 Pro 0423 in one place?
Yes. Vincony aggregates 800+ models — including Claude Opus 5 and DeepSeek V4 Pro 0423 — into one interface with Compare Chat, so you can send the same prompt to both and compare outputs side by side on a single credit-based plan.