The Known Good Updated 4 Sep 2026 Subscribe
DeepSeek: DeepSeek V4 Pro 0423 vs DeepSeek: R1 ·DeepSeek vs DeepSeek

DeepSeek: DeepSeek V4 Pro 0423 vs DeepSeek: R1 — head-to-head comparison

DeepSeek: DeepSeek V4 Pro 0423 profile DeepSeek: R1 profile All comparisons
DeepSeek: DeepSeek V4 Pro 0423 — DeepSeek
Quality
#4 of 65
93based on 3 of 7 evaluations
Known Good Index
Speed
#201 of 338
42.2
Output tokens per second
Price
#263 of 442
$1.30
Blended per 1M tokens
In $1.04 · Out $2.08
Cache hit price
#151 of 324
$0.087
per 1M tokens (−92%)
Context
#43 of 476
1.05M
tokens (~1,600 pages)
DeepSeek: R1 — DeepSeek
Quality
#22 of 65
75based on 4 of 7 evaluations
Known Good Index
Speed
#307 of 338
20.3
Output tokens per second
Price
#252 of 442
$1.15
Blended per 1M tokens
In $0.70 · Out $2.50
Cache hit price
unranked
per 1M tokens
Context
#443 of 476
64k
tokens (~98 pages)
Summary

On the Known Good Index, DeepSeek: DeepSeek V4 Pro 0423 scores 93 and DeepSeek: R1 scores 75 — a 18-point lead for DeepSeek: DeepSeek V4 Pro 0423. They share 2 published evaluations, with DeepSeek: DeepSeek V4 Pro 0423 ahead on 2 and DeepSeek: R1 ahead on 0.

Blended pricing is $1.30 per 1M tokens for DeepSeek: DeepSeek V4 Pro 0423 and $1.15 for DeepSeek: R1 — DeepSeek: R1 is about 1.1× cheaper.

Throughput is 42 tokens per second for DeepSeek: DeepSeek V4 Pro 0423 and 20 for DeepSeek: R1, with time to first token at 1.5s and 1.2s. DeepSeek: DeepSeek V4 Pro 0423 accepts 1.05M tokens of context against 64k.

DeepSeek: DeepSeek V4 Pro 0423 is open weights under Open weights (unrestricted); DeepSeek: R1 is open weights under Open weights (unrestricted). 21 tracked hosts serve one or both, and 2 serve both.

Generated from tracked data on 4 Sep 2026 · how these comparisons are computed →

At a glance
MetricDeepSeek: DeepSeek V4 Pro 0423DeepSeek: R1
Known Good Index 93 based on 3 of 7 evaluations 75 based on 4 of 7 evaluations
Blended $/1M $1.30 $1.15
Output tok/s 42 20
Context window 1.05M 64k
Providers 21 2
Jump to section

Quality

Known Good Index and the capability indices, side by side

Index scores

Each index is min-max normalised across tracked models and scaled 0–100 from published evaluations. We do not run these evaluations.

MetricDeepSeek: DeepSeek V4 Pro 0423DeepSeek: R1
Known Good Index 93 75
Mathematics Index 74
Reasoning Index 77
Openness Index 60 60
The Known Good

Quality Breakdown

Every evaluation both models report a published score for

Evaluations both models report

Bar = DeepSeek: DeepSeek V4 Pro 0423 · marker = DeepSeek: R1 · scores ingested from Epoch AI (CC-BY 4.0)

GPQA Diamond91 / 69
Mock AIME 2024–2597 / 53

Right-hand figures read DeepSeek: DeepSeek V4 Pro 0423 / DeepSeek: R1. DeepSeek: DeepSeek V4 Pro 0423 leads on 2 of 2, DeepSeek: R1 on 0.

The Known Good

Arena Elo

Human preference rating from blind pairwise votes

Arena ratings

Elo from blind pairwise votes, ingested from Arena. Higher is better.

MetricDeepSeek: DeepSeek V4 Pro 0423DeepSeek: R1
Text Arena 1,451 1,372
Text Arena (style controlled) 1,458 1,398
The Known Good

Price & Cost

Published API pricing by token type

Published pricing

USD per 1M tokens. Blended is a 3:1 input:output mix. Live from OpenRouter, cross-checked against models.dev. Lower is better.

MetricDeepSeek: DeepSeek V4 Pro 0423DeepSeek: R1
Input $/1M $1.04 $0.70
Output $/1M $2.08 $2.50
Blended $/1M $1.30 $1.15
Cache read $/1M $0.087
The Known Good
We publish blended price rather than cost-per-task. Cost-per-task requires token counts from an evaluation suite we do not run. Blended price is computed from published rates and is fully reproducible — see the pricing methodology.

Context Window

Maximum input accepted and maximum output emitted

Context and output limits

Provider-declared limits, from metadata via models.dev and OpenRouter. Higher is better.

MetricDeepSeek: DeepSeek V4 Pro 0423DeepSeek: R1
Context window 1.05M 64k
Max output tokens 384k 16k
The Known Good

Speed & Latency

Mean throughput and time to first token across hosting providers, over successful measurements from the last 48 hours

Throughput and latency

Means across all tracked providers over successful measurements from the last 48 hours, derived from OpenRouter endpoint telemetry.

MetricDeepSeek: DeepSeek V4 Pro 0423DeepSeek: R1
Output tokens/s 42 20
Time to first token 1.5s 1.2s
The Known Good

Providers

Which hosts serve each model, and at what price and speed

21 hosts · 2 serve both
Full provider benchmarks →
Provider DeepSeek: DeepSeek V4 Pro 0423 blendedDeepSeek: DeepSeek V4 Pro 0423 tok/s DeepSeek: R1 blendedDeepSeek: R1 tok/s
BaseTen $2.17 66
CoreWeave $1.50 62
Novita $2.00 58 $1.15 19
Azure · first party $2.39 57 $2.60
Alibaba · first party $1.77 54
Parasail $2.17 52
NextBit $2.15 49
Venice $2.06 49
Baidu · first party $2.11 48
AtlasCloud $2.10 43
DeepInfra $1.62 43
Together $2.17 39
SiliconFlow $1.91 34
DeepSeek · first party $0.99 31
GMICloud $1.30 31
StreamLake $1.30 30
DigitalOcean $1.09 28
Wafer $1.50 28
Ionstream $1.41 26
Cloudflare $1.50 12
Fireworks $1.20

Per-host pricing and telemetry from OpenRouter. A dash means that host does not serve that model.

The Known Good
Sources for this page
Pricing & providers — OpenRouter Metadata — models.dev Benchmarks — Epoch AI (CC-BY 4.0)Elo — Arena Full attribution →