Model Comparison
Reka Flash 3
vs. Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
Comparing 2 AI models · 0 benchmarks · Reka AI, Anthropic
Recommended Pick
ReReka Flash 34 metric winsStrongest on: Value, Input price, Output price
Best Value
Reka Flash 3
100.0 value score
5.6 reasoning / $0.35/1M
Lowest Price
Reka Flash 3
$0.20/1M input price
Best Reasoning
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
56.0 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Best value
Reka Flash 3 has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Reka Flash 3 is 20x cheaper on input tokens than Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback).
Reasoning gap
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) leads Reka Flash 3 by 50.4 points on reasoning.
Top-pick rationale
Reka Flash 3 wins 4 measurable categories, including Value, Input price, Output price, Blended price.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Reka Flash 3
Reka AI
TTFT
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Time
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tok/s
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Tokens
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Cost
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Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
Anthropic
TTFT
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Time
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tok/s
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Tokens
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Cost
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Which answer was more useful?
Secure AI Chat made in Europe
Use Claude, ChatGPT, Gemini alongside with EU-Hosted Models like Deepseek, Qwen & Kimi.
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Servers in Germany & Finland. Designed to meet strict GDPR and ISO 27001 compliance requirements.
Full Comparison
| Metric | Top Pick Re Reka Flash 3 | An Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.20/1M | $4.00/1M |
| Output Cost | $0.80/1M | $20.00/1M |
| Blended (3:1) | $0.35/1M | $8.00/1M |
| Specifications | ||
| Organization | Reka AI | Anthropic |
| Release Date | Mar 10, 2025 | Sep 17, 2026 |
| Performance & Speed | ||
| Throughput | — | 84.3 tok/s |
| TTFT | — | 170230ms |
| Latency | — | 170230ms |
| Composite Indices | ||
| Value Score | 100.0 | 43.8 |
| Reasoning Score | 5.6 | 56.0 |
| Intelligence | 5.6 | 56.0 |
Key Takeaways
Reka Flash 3 offers the best value at $0.20/1M,making it ideal for high-volume applications and cost-conscious projects.
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) has the strongest reasoning profile with a 56.0 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
Reka Flash 3
- Cost-sensitive applications
- High-volume processing
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
- Complex reasoning tasks
- Research & analysis
