ModelsCompareBest forBenchmarksStatusPricingAPI
Compare / head-to-head

Claude Sonnet 4vsDeepSeek V3

Claude Sonnet 4 leads 3 of 3 shared benchmarks. Claude Sonnet 4 has the larger context window (200K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
3 – 0
Claude Sonnet 4 leads
Cheaper per token
list price, input + output
Larger context
Claude Sonnet 4
200K tokens
Provider uptime (30d)
100% · 100%
Anthropic · DeepSeek
Claude Sonnet 4
Anthropic · released 2025-05-22
textvision
Context
200K
Max out
64K
Input /1M
$3
Output /1M
$15
Cached /1M
$0.3
Scores
4 · 4 core
DeepSeek V3
DeepSeek · released 2024-12-26
text
Context
128K
Max out
8K
Input /1M
Output /1M
Cached /1M
Scores
8 · 7 core
Quality

Benchmark matrix

BenchmarkClaude Sonnet 4DeepSeek V3ΔEdge
Reported by both · 3
SWE-bench Verified72.7% 42% +30.7 ptClaude Sonnet 4
GPQA Diamond79.2% epoch59.1% +20.1 ptClaude Sonnet 4
OTIS Mock AIME 2024-2025 (Epoch AI run)71.1% epoch15.8% epoch+55.3 ptClaude Sonnet 4
Only Claude Sonnet 4 reports · 1
AIME 2024 (no extended thinking)33.1% not reported
Only DeepSeek V3 reports · 4
MMLUnot reported88.5%
MMLU-Pronot reported75.9%
AIME 2025not reported25% matharena
LMArena Elonot reported1332.4
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Claude Sonnet 4 minus DeepSeek V3 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecClaude Sonnet 4DeepSeek V3Edge
Context window200K tokens128K tokensClaude Sonnet 4
Max output64K tokens8K tokensClaude Sonnet 4
Input price / 1M$3
Output price / 1M$15
Cached input / 1M$0.3
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$18
Modalitiestext · visiontextClaude Sonnet 4
Released2025-05-222024-12-26
Cited benchmark scores48
Reliability

Provider status

All providers
More matchups

Claude Sonnet 4 vs …

More matchups

DeepSeek V3 vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run Claude Sonnet 4 and DeepSeek V3 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.