The Known Good Updated 25 Jul 2026
claude-3-5-sonnet-20241022 vs DeepSeek: DeepSeek V4 Pro ·Anthropic vs DeepSeek

claude-3-5-sonnet-20241022 vs DeepSeek: DeepSeek V4 Pro — head-to-head comparison

claude-3-5-sonnet-20241022 profile DeepSeek: DeepSeek V4 Pro profile All comparisons
claude-3-5-sonnet-20241022 — Anthropic
Quality
#45 of 61
40based on 3 of 6 evaluations
Known Good Index
Speed
unranked
Output tokens per second
Price
unranked
Blended per 1M tokens
Cache hit price
unranked
per 1M tokens
Context
unranked
tokens
DeepSeek: DeepSeek V4 Pro — DeepSeek
Quality
#6 of 61
93based on 3 of 6 evaluations
Known Good Index
Speed
#182 of 316
45.2
Output tokens per second
Price
#145 of 340
$0.54
Blended per 1M tokens
In $0.43 · Out $0.87
Cache hit price
#12 of 206
$0.004
per 1M tokens (−99%)
Context
#25 of 345
1.05M
tokens (~1,600 pages)
Summary

On the Known Good Index, claude-3-5-sonnet-20241022 scores 40 and DeepSeek: DeepSeek V4 Pro scores 93 — a 53-point lead for DeepSeek: DeepSeek V4 Pro. They share 2 published evaluations, with claude-3-5-sonnet-20241022 ahead on 0 and DeepSeek: DeepSeek V4 Pro ahead on 2.

Published pricing is tracked for DeepSeek: DeepSeek V4 Pro only, at $0.54 per 1M tokens blended.

claude-3-5-sonnet-20241022 is proprietary; DeepSeek: DeepSeek V4 Pro is open weights under Open weights (unrestricted). 18 tracked hosts serve one or both.

Generated from tracked data on 25 Jul 2026 · how these comparisons are computed →

At a glance
Metricclaude-3-5-sonnet-20241022DeepSeek: DeepSeek V4 Pro
Known Good Index 40 based on 3 of 6 evaluations 93 based on 3 of 6 evaluations
Blended $/1M $0.54
Output tok/s 45
Context window 1.05M
Providers 0 18
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Quality

Known Good Index and the capability indices, side by side

IndicesComponents
Index scores

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

Metricclaude-3-5-sonnet-20241022DeepSeek: DeepSeek V4 Pro
Known Good Index 40 93
Mathematics Index 33 97
Science Index 52 94
Reasoning Index 52
Agentic Index 89
Openness Index 5 60
The Known Good

Quality Breakdown

Every evaluation both models report a published score for

Evaluations both models report

Bar = claude-3-5-sonnet-20241022 · marker = DeepSeek: DeepSeek V4 Pro · scores ingested from Epoch AI (CC-BY 4.0)

GPQA Diamond55 / 90
MATH / AIME8 / 97

Right-hand figures read claude-3-5-sonnet-20241022 / DeepSeek: DeepSeek V4 Pro. claude-3-5-sonnet-20241022 leads on 0 of 2, DeepSeek: DeepSeek V4 Pro on 2.

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.

Metricclaude-3-5-sonnet-20241022DeepSeek: DeepSeek V4 Pro
Text Arena 1,298 1,449
Text Arena (style controlled) 1,373 1,457
The Known Good

Price & Cost

Published API pricing by token type

Per token typeCache discount
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.

Metricclaude-3-5-sonnet-20241022DeepSeek: DeepSeek V4 Pro
Input $/1M $0.43
Output $/1M $0.87
Blended $/1M $0.54
Cache read $/1M $0.004
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.

Metricclaude-3-5-sonnet-20241022DeepSeek: DeepSeek V4 Pro
Context window 1.05M
Max output tokens 384k
The Known Good

Speed & Latency

Median throughput and time to first token across hosting providers

Output speedTime to first token
Throughput and latency

Medians across all tracked providers, derived from OpenRouter endpoint telemetry.

Metricclaude-3-5-sonnet-20241022DeepSeek: DeepSeek V4 Pro
Output tokens/s 45
Time to first token 2.0s
The Known Good

Providers

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

18 hosts
Full provider benchmarks →
Provider claude-3-5-sonnet-20241022 blendedclaude-3-5-sonnet-20241022 tok/s DeepSeek: DeepSeek V4 Pro blendedDeepSeek: DeepSeek V4 Pro tok/s
BaseTen $2.17 110
Fireworks $2.17 66
Novita $1.46 66
DeepInfra $1.62 65
GMICloud $0.85 62
Venice $2.06 61
Baidu · first party $0.78 58
Together $2.17 53
Alibaba · first party $1.77 52
AtlasCloud $2.10 46
Wafer $1.50 45
DeepSeek · first party $0.54 44
SiliconFlow $1.91 41
StreamLake $0.84 41
CoreWeave $2.17 28
Ionstream $1.41 20
DigitalOcean $1.74 6
Parasail $2.17

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 →