DeepSeek-V4-Pro vs Claude Sonnet 4.6
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
$3.00
Output / 1M
$15.00
AA index
30.1
proprietary · 1M context
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | DeepSeek-V4-Pro | Claude Sonnet 4.6 |
|---|---|---|
| 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 | 1,000,000 |
| 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 | $3.00 |
| API output price / 1M tokens | $1.12 | $15.00 |
| Est. cost per 1M input + 1M output tokens | $1.68 | $18.00 |
| Cached input / 1M tokens | $0.047 | $0.30 |
| AA Intelligence Index | 30.4 | 30.1 |
| AA Coding Index | 59.4 | 63 |
| AA Agentic Index | 26.3 | 31.8 |
| Max output tokens | 384,000 | 128,000 |
| 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 Sonnet 4.6
$18.00
DeepSeek-V4-Pro is 10.7× 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