Model Comparison

Solar Open 100B (Reasoning)
vs. Step3 VL 10B

Comparing 2 AI models · 7 benchmarks · Upstage, StepFun

Recommended Pick

Upstage logoSolar Open 100B (Reasoning)5 metric wins

Strongest on: Reasoning, Intelligence, LCR

Lowest Price

Upstage logo

Solar Open 100B (Reasoning)

$0.00/1M input price

Best Reasoning

Upstage logo

Solar Open 100B (Reasoning)

30.0 reasoning score

Blends available reasoning benchmarks

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Reasoning gap

Solar Open 100B (Reasoning) leads Step3 VL 10B by 0.4 points on reasoning.

Top-pick rationale

Solar Open 100B (Reasoning) wins 5 measurable categories, including Reasoning, Intelligence, LCR, IFBench.

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 Open 100B (Reasoning)

Upstage

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
StepFun logo

Step3 VL 10B

StepFun

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 Open 100B (Reasoning)
Upstage
StepFun logoStep3 VL 10B
StepFun
Pricing per 1M tokens
Input Cost$0.00/1M$0.00/1M
Output Cost$0.00/1M$0.00/1M
Specifications
OrganizationUpstageStepFun
Release DateDec 17, 2025Jan 20, 2026
Performance & Speed
Throughput
TTFT
Latency
Composite Indices
Reasoning Score30.029.6
Intelligence15.19.5
Standard Benchmarks
GPQA65.7%69.0%
HLE9.2%10.2%
SciCode26.9%31.1%
LCR36.0%0.0%
IFBench57.7%50.2%
TAU-bench v248.2%16.1%
TerminalBench Hard2.3%5.3%

Key Takeaways

Solar Open 100B (Reasoning) offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.

Solar Open 100B (Reasoning) has the strongest reasoning profile with a 30.0 reasoning score,combining the available reasoning-heavy benchmarks.

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

When to Choose Each Model

Upstage logo

Solar Open 100B (Reasoning)

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
StepFun logo

Step3 VL 10B

  • General-purpose AI
  • Versatile applications