Model Comparison

Reka Flash 3
vs. Solar Pro 2 (Preview) (Reasoning)

Comparing 2 AI models · 12 benchmarks · Reka AI, Upstage

Recommended Pick

Upstage logo Solar Pro 2 (Preview) (Reasoning) 12 metric wins

Strongest on: Input price, Output price, TTFT

Lowest Price

Upstage logo

Solar Pro 2 (Preview) (Reasoning)

$0.00/1M input price

Best Reasoning

Upstage logo

Solar Pro 2 (Preview) (Reasoning)

47.7 reasoning score

Blends available reasoning benchmarks

Best for Coding

Reka AI logo

Reka Flash 3

8.9 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Price gap

Solar Pro 2 (Preview) (Reasoning) is ∞x cheaper on input tokens than Reka Flash 3.

Reasoning gap

Solar Pro 2 (Preview) (Reasoning) leads Reka Flash 3 by 8.4 points on reasoning.

Top-pick rationale

Solar Pro 2 (Preview) (Reasoning) wins 12 measurable categories, including Input price, Output price, TTFT, Latency.

Live compare

Response Face-Off

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

Reka AI logo

Reka Flash 3

Reka AI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
Upstage logo

Solar Pro 2 (Preview) (Reasoning)

Upstage

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

AI Chat

Chat with 80+ models

Inference API

EU-hosted inference

Full Comparison

Metric
Reka AI logo Reka Flash 3
Reka AI
Top Pick
Upstage logo Solar Pro 2 (Preview) (Reasoning)
Upstage
Pricing per 1M tokens
Input Cost $0.20/1M$0.00/1M
Output Cost $0.80/1M$0.00/1M
Blended (3:1) $0.35/1M
Specifications
Organization Reka AIUpstage
Release Date Mar 10, 2025May 20, 2025
Performance & Speed
Throughput 90.7 tok/s
TTFT 2426ms
Latency 24485ms
Composite Indices
Value Score 100.0
Reasoning Score 39.347.7
Intelligence 9.518.8
Coding 8.9
Math 33.7
Standard Benchmarks
GPQA 52.9%57.8%
MMLU Pro 66.9%76.8%
HLE 5.1%5.7%
LiveCodeBench 43.5%46.2%
MATH 500 89.3%90.0%
AIME 2025 33.7%
AIME (Original) 51.0%66.3%
SciCode 26.7%16.4%
LCR 0.0%
IFBench 30.4%
TAU-bench v2 0.0%
TerminalBench Hard 0.0%

Key Takeaways

Solar Pro 2 (Preview) (Reasoning) offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.

Solar Pro 2 (Preview) (Reasoning) has the strongest reasoning profile with a 47.7 reasoning score, combining the available reasoning-heavy benchmarks.

Reka Flash 3 reaches a 8.9 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

Reka AI logo

Reka Flash 3

  • Code generation
  • Software development
Upstage logo

Solar Pro 2 (Preview) (Reasoning)

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