Model Comparison

Reka Flash (Sep '24)
vs. Solar Open 100B (Reasoning)

Comparing 2 AI models · 0 benchmarks · Reka AI, Upstage

Recommended Pick

Upstage logoSolar Open 100B (Reasoning)2 metric wins

Strongest on: Reasoning, Intelligence

Lowest Price

Reka AI logo

Reka Flash (Sep '24)

$0.20/1M input price

Best Reasoning

Upstage logo

Solar Open 100B (Reasoning)

10.4 reasoning score

Blends available reasoning benchmarks

Differences That Matter

Reasoning gap

Solar Open 100B (Reasoning) leads Reka Flash (Sep '24) by 4.0 points on reasoning.

Top-pick rationale

Solar Open 100B (Reasoning) wins 2 measurable categories, including Reasoning, Intelligence.

Live compare

Response Face-Off

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

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Reka AI logo

Reka Flash (Sep '24)

Reka AI

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Upstage logo

Solar Open 100B (Reasoning)

Upstage

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Which answer was more useful?

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

Full Comparison

Metric
Reka AI logoReka Flash (Sep '24)
Reka AI
Top Pick
Upstage logoSolar Open 100B (Reasoning)
Upstage
Pricing per 1M tokens
Input Cost$0.20/1M—
Output Cost$0.80/1M—
Blended (3:1)$0.35/1M—
Specifications
OrganizationReka AIUpstage
Release DateOct 4, 2024Dec 17, 2025
Performance & Speed
Throughput——
TTFT——
Latency——
Composite Indices
Value Score100.0—
Reasoning Score6.410.4
Intelligence6.410.4

Key Takeaways

Reka Flash (Sep '24) offers the best value at $0.20/1M,making it ideal for high-volume applications and cost-conscious projects.

Solar Open 100B (Reasoning) has the strongest reasoning profile with a 10.4 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

Reka AI logo

Reka Flash (Sep '24)

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

Solar Open 100B (Reasoning)

  • Complex reasoning tasks
  • Research & analysis