Model comparison

DeepSeek V4 Pro vs Sonar Pro

DeepSeek V4 Pro has enough public results to be ranked (#31); Sonar Pro does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

DeepSeek V4 Pro DeepSeek

54.3

Rank #31 Confirmed

Sonar Pro Perplexity

—

Unranked

Summary

  • DeepSeek V4 Pro is cheaper at $0.66 / $1.98 per million input/output tokens, against $3 / $15 for Sonar Pro.
  • DeepSeek V4 Pro accepts more context: 1M tokens versus 200K.
  • DeepSeek V4 Pro has downloadable open weights; the other is API-only.

Side by side

DeepSeek V4 Pro and Sonar Pro specifications
DeepSeek V4 ProSonar Pro
ProviderDeepSeekPerplexity
Noometry Index54.3—
Released2026-04-242024-01-01
WeightsOpenProprietary
Context window1M200K
Max output393K8K
Input $ / M tokens$0.66$3
Output $ / M tokens$1.98$15
Results tracked481

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Category by category

Coding Not comparable

DeepSeek V4 Pro: 52.4 (#34), Sonar Pro: —

Coding benchmarks
BenchmarkDeepSeek V4 ProSonar Pro
SWE-bench Verified77.6%—
FrontierCode28.6%—
LMArena WebDev1582—
SciCode51%—
WeirdML66.2%—
LMArena Coding1470—
ALE-Bench1,403—

Agentic & Tool Use Not comparable

DeepSeek V4 Pro: 32.8 (#58), Sonar Pro: —

Agentic & Tool Use benchmarks
BenchmarkDeepSeek V4 ProSonar Pro
APEX-Agents47.3%—
LMArena Search—1130
Vending-Bench 23,285—

Reasoning Not comparable

DeepSeek V4 Pro: 56.5 (#24), Sonar Pro: —

Reasoning benchmarks
BenchmarkDeepSeek V4 ProSonar Pro
ARC-AGI-261.3%—
Kagi LLM Benchmark53.5%—
NYT Connections (extended)91.3%—
ARC-AGI-190.5%—
CritPt18%—
Chess Puzzles47%—
LMArena Hard Prompts1461—
Mystery Game Puzzles43%—
DTBench93.9%—
LMCA45.5%—
Surface Evolver Bench40%—
Epoch Capabilities Index155.31—
ForecastBench56.1—

Math Not comparable

DeepSeek V4 Pro: 64.8 (#30), Sonar Pro: —

Math benchmarks
BenchmarkDeepSeek V4 ProSonar Pro
FrontierMath (Tiers 1-3)64.6%—
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions76.6%—
OTIS Mock AIME 2024-202598.6%—
ProofBench50%—
LMArena Math1455—

Knowledge Not comparable

DeepSeek V4 Pro: 59.5 (#31), Sonar Pro: —

Knowledge benchmarks
BenchmarkDeepSeek V4 ProSonar Pro
GPQA Diamond91.7%—
SimpleQA Verified52.9%—
Vectara Hallucination Rate8.6%—
LMArena Expert1464—

Multilingual Not comparable

DeepSeek V4 Pro: 54.4 (#45), Sonar Pro: —

Multilingual benchmarks
BenchmarkDeepSeek V4 ProSonar Pro
LMArena Non-English1439—
LMArena Chinese1486—
LMArena French1472—
LMArena German1458—
LMArena Japanese1445—
LMArena Korean1447—
LMArena Russian1453—
LMArena Spanish1458—

Instruction Following Not comparable

DeepSeek V4 Pro: 76.1 (#47), Sonar Pro: —

Instruction Following benchmarks
BenchmarkDeepSeek V4 ProSonar Pro
LMArena Instruction Following1448—

Long Context Not comparable

DeepSeek V4 Pro: 45.0 (#51), Sonar Pro: —

Long Context benchmarks
BenchmarkDeepSeek V4 ProSonar Pro
CL-bench Life13.5%—
LMArena Longer Query1458—

Writing & Preference Not comparable

DeepSeek V4 Pro: 65.5 (#46), Sonar Pro: —

Writing & Preference benchmarks
BenchmarkDeepSeek V4 ProSonar Pro
LMArena Text1451—
LMArena Creative Writing1446—
EQ-Bench Creative Writing1553—
EQ-Bench 41166—
LMArena Multi-Turn1467—

Frequently asked questions

Is DeepSeek V4 Pro better than Sonar Pro?

DeepSeek V4 Pro has enough public results to be ranked (#31); Sonar Pro does not yet, so treat this comparison as directional.

Which is cheaper, DeepSeek V4 Pro or Sonar Pro?

DeepSeek V4 Pro is cheaper. It lists at $0.66 per million input tokens and $1.98 per million output tokens; Sonar Pro lists at $3 and $15.

Which has the bigger context window?

DeepSeek V4 Pro does, with 1M tokens against 200K.

How many benchmarks do DeepSeek V4 Pro and Sonar Pro share?

0 benchmarks have published results for both models. DeepSeek V4 Pro has 48 scored results on Noometry and Sonar Pro has 1.

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