Model Comparison

3.5 (1210)
vs. Solar Pro 3

Comparing 2 AI models · 11 benchmarks · OpenChat, Upstage

Recommended Pick

Upstage logoSolar Pro 34 metric wins

Strongest on: Reasoning, Intelligence, GPQA

Lowest Price

OpenChat logo

3.5 (1210)

$0.00/1M input price

Best Reasoning

Upstage logo

Solar Pro 3

32.2 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

Solar Pro 3 leads 3.5 (1210) by 19.9 points on reasoning.

Top-pick rationale

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

Live compare

Response Face-Off

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

OpenChat logo

3.5 (1210)

OpenChat

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
Upstage logo

Solar Pro 3

Upstage

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
OpenChat logo3.5 (1210)
OpenChat
Top Pick
Upstage logoSolar Pro 3
Upstage
Pricing per 1M tokens
Input Cost$0.00/1M$0.00/1M
Output Cost$0.00/1M$0.00/1M
Specifications
OrganizationOpenChatUpstage
Release DateDec 18, 2023Apr 6, 2026
Performance & Speed
Throughput
TTFT
Latency
Composite Indices
Reasoning Score12.332.2
Intelligence3.014.1
Coding16.2
Standard Benchmarks
GPQA23.0%72.4%
MMLU Pro31.0%
HLE4.8%10.1%
LiveCodeBench11.5%
MATH 50030.7%
AIME (Original)0.0%
SciCode24.7%
LCR27.0%
IFBench71.2%
TAU-bench v286.3%
TerminalBench Hard7.6%

Key Takeaways

3.5 (1210) offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.

Solar Pro 3 has the strongest reasoning profile with a 32.2 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

OpenChat logo

3.5 (1210)

  • Cost-sensitive applications
  • High-volume processing
Upstage logo

Solar Pro 3

  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development