DeepSeek-V4-Pro vs Claude Opus 4.5
API pricing, benchmark indices and specs — updated 19 October 2026.
deepseek-ai · A · Open weights
Params
1,598.8 B
Context
1,048,576
30d
355 K
mit · commercial OK
anthropic · B · API-only
Input / 1M
$5.00
Output / 1M
$25.00
AA index
29.1
proprietary · 200K context
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | DeepSeek-V4-Pro | Claude Opus 4.5 |
|---|---|---|
| Deployment | Open weights · also via API | API-only (closed weights) |
| Parameters | 1,598.8 B | n/a — API-only |
| Architecture | DeepseekV4ForCausalLM | n/a — API-only |
| Context length | 1,048,576 | 200,000 |
| Licence | mit | Proprietary |
| Commercial use | Allowed | Per API terms |
| Languages | — | n/a — API-only |
| Downloads 30d | 355,279 | n/a — API-only |
| Downloads all time | 11.0 M | n/a — API-only |
| Quantizations on the Hub | SAFETENSORS | n/a — API-only |
| Gated | No | n/a — API-only |
| First seen on the Hub | 2026-04-22 | n/a — API-only |
| API input price / 1M tokens | $0.56 | $5.00 |
| API output price / 1M tokens | $1.12 | $25.00 |
| Est. cost per 1M input + 1M output tokens | $1.68 | $30.00 |
| Cached input / 1M tokens | $0.047 | $0.50 |
| AA Intelligence Index | 30.4 | 29.1 |
| AA Coding Index | 59.4 | — |
| AA Agentic Index | 26.3 | — |
| Max output tokens | 384,000 | 64,000 |
| API providers | 14 | 5 |
| Tool calling | Yes | Yes |
| Reasoning mode | Yes | Yes |
API cost
Estimated cost of 1M input + 1M output tokens via OpenRouter
DeepSeek-V4-Pro
$1.68
Claude Opus 4.5
$30.00
DeepSeek-V4-Pro is 17.8× cheaper at list price.
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
DeepSeek-V4-Pro · fp16 @ 1024K ctx
31,649.4 GB / 24 GB