Model Comparison
Reka Flash (Sep '24)
vs. Tri-21B-Think
Comparing 2 AI models · 8 benchmarks · Reka AI, Trillion Labs
Recommended Pick
TrTri-21B-Think3 metric winsStrongest on: Input price, Output price, Intelligence
Lowest Price
Tri-21B-Think
$0.00/1M input price
Best Reasoning
Reka Flash (Sep '24)
29.4 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
Price gap
Tri-21B-Think is ∞x cheaper on input tokens than Reka Flash (Sep '24).
Reasoning gap
Reka Flash (Sep '24) leads Tri-21B-Think by 3.3 points on reasoning.
Top-pick rationale
Tri-21B-Think wins 3 measurable categories, including Input price, Output price, Intelligence.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Reka Flash (Sep '24)
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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Tri-21B-Think
Trillion Labs
TTFT
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Time
—
tok/s
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Tokens
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Cost
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Which answer was more useful?
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Full Comparison
| Metric | Re Reka Flash (Sep '24) | Top Pick Tr Tri-21B-Think |
|---|---|---|
| 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 AI | Trillion Labs |
| Release Date | Oct 4, 2024 | Feb 10, 2026 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 29.4 | 26.1 |
| Intelligence | 6.0 | 12.3 |
| Standard Benchmarks | ||
| GPQA | — | 60.1% |
| HLE | — | 5.9% |
| MATH 500 | 52.9% | — |
| SciCode | — | 17.4% |
| LCR | — | 15.0% |
| IFBench | — | 54.6% |
| TAU-bench v2 | — | 81.0% |
| TerminalBench Hard | — | 0.8% |
Key Takeaways
Tri-21B-Think offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Reka Flash (Sep '24) has the strongest reasoning profile with a 29.4 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 Flash (Sep '24)
- Complex reasoning tasks
- Research & analysis
Tri-21B-Think
- Cost-sensitive applications
- High-volume processing
