Model Comparison

Solar Pro 3
vs. Sonar

Comparing 2 AI models · 11 benchmarks · Upstage, Perplexity

Recommended Pick

Upstage logoSolar Pro 34 metric wins

Strongest on: Intelligence, GPQA, HLE

Lowest Price

Upstage logo

Solar Pro 3

$0.00/1M input price

Best Reasoning

Perplexity logo

Sonar

38.8 reasoning score

Blends available reasoning benchmarks

Best for Coding

Upstage logo

Solar Pro 3

16.2 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Reasoning gap

Sonar leads Solar Pro 3 by 6.6 points on reasoning.

Top-pick rationale

Solar Pro 3 wins 4 measurable categories, including Intelligence, GPQA, HLE, SciCode.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

Upstage logo

Solar Pro 3

Upstage

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
Perplexity logo

Sonar

Perplexity

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

Chat with leading AI models

Use Claude, ChatGPT, Gemini alongside with EU-Hosted Models like Deepseek, Qwen & Kimi.

EU-hosted inference

Servers in Germany & Finland. Designed to meet strict GDPR and ISO 27001 compliance requirements.

Full Comparison

Metric
Top Pick
Upstage logoSolar Pro 3
Upstage
Perplexity logoSonar
Perplexity
Pricing per 1M tokens
Input Cost$0.00/1M$0.00/1M
Output Cost$0.00/1M$0.00/1M
Specifications
OrganizationUpstagePerplexity
Release DateApr 6, 2026Jan 21, 2025
Performance & Speed
Throughput
TTFT
Latency
Composite Indices
Reasoning Score32.238.8
Intelligence14.19.5
Coding16.2
Standard Benchmarks
GPQA72.4%47.1%
MMLU Pro68.9%
HLE10.1%7.3%
LiveCodeBench29.5%
MATH 50081.7%
AIME (Original)48.7%
SciCode24.7%22.9%
LCR27.0%
IFBench71.2%
TAU-bench v286.3%
TerminalBench Hard7.6%

Key Takeaways

Solar Pro 3 offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.

Sonar has the strongest reasoning profile with a 38.8 reasoning score,combining the available reasoning-heavy benchmarks.

Solar Pro 3 reaches a 16.2 coding index,making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

Upstage logo

Solar Pro 3

  • Cost-sensitive applications
  • High-volume processing
  • Code generation
  • Software development
Perplexity logo

Sonar

  • Complex reasoning tasks
  • Research & analysis