Model Comparison

Reka Flash 3
vs. Solar Pro 3

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

Recommended Pick

Upstage logo Solar Pro 3 12 metric wins

Strongest on: Input price, Output price, TTFT

Lowest Price

Upstage logo

Solar Pro 3

$0.00/1M input price

Best Reasoning

Reka AI logo

Reka Flash 3

39.3 reasoning score

Blends available reasoning benchmarks

Best for Coding

Upstage logo

Solar Pro 3

13.3 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 3 is ∞x cheaper on input tokens than Reka Flash 3.

Reasoning gap

Reka Flash 3 leads Solar Pro 3 by 3.2 points on reasoning.

Coding gap

Solar Pro 3 leads Reka Flash 3 by 4.4 points on coding.

Top-pick rationale

Solar Pro 3 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 3

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 3
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, 2025Apr 6, 2026
Performance & Speed
Throughput 90.7 tok/s
TTFT 1870ms
Latency 23928ms
Composite Indices
Value Score 100.0
Reasoning Score 39.336.1
Intelligence 9.525.9
Coding 8.913.3
Math 33.7
Standard Benchmarks
GPQA 52.9%72.4%
MMLU Pro 66.9%
HLE 5.1%10.1%
LiveCodeBench 43.5%
MATH 500 89.3%
AIME 2025 33.7%
AIME (Original) 51.0%
SciCode 26.7%24.7%
LCR 0.0%27.0%
IFBench 30.4%71.2%
TAU-bench v2 0.0%86.3%
TerminalBench Hard 0.0%7.6%

Key Takeaways

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

Reka Flash 3 has the strongest reasoning profile with a 39.3 reasoning score, combining the available reasoning-heavy benchmarks.

Solar Pro 3 reaches a 13.3 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

  • Complex reasoning tasks
  • Research & analysis
Upstage logo

Solar Pro 3

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