Model Comparison
Reka Flash 3
vs. Grok 4.6 (high)
Comparing 2 AI models · 12 benchmarks · Reka AI, SpaceXAI
Recommended Pick
SpGrok 4.6 (high)7 metric winsStrongest on: Latency, Reasoning, Intelligence
Best Value
Reka Flash 3
100.0 value score
38.4 reasoning / $0.35/1M
Lowest Price
Reka Flash 3
$0.20/1M input price
Best Reasoning
Grok 4.6 (high)
66.2 reasoning score
Blends available reasoning benchmarks
Best for Coding
Grok 4.6 (high)
76.8 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
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 10x cheaper on input tokens than Grok 4.6 (high).
Speed gap
Reka Flash 3 generates about 1.8x as many tokens per second as Grok 4.6 (high).
Reasoning gap
Grok 4.6 (high) leads Reka Flash 3 by 27.9 points on reasoning.
Top-pick rationale
Grok 4.6 (high) wins 7 measurable categories, including Latency, Reasoning, Intelligence, GPQA.
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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Grok 4.6 (high)
SpaceXAI
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 3 | Top Pick Sp Grok 4.6 (high) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.20/1M | $2.00/1M |
| Output Cost | $0.80/1M | $6.00/1M |
| Blended (3:1) | $0.35/1M | $3.00/1M |
| Specifications | ||
| Organization | Reka AI | SpaceXAI |
| Release Date | Mar 10, 2025 | Aug 12, 2026 |
| Performance & Speed | ||
| Throughput | 95.2 tok/s | 53.6 tok/s |
| TTFT | 44814ms | 45246ms |
| Latency | 65833ms | 45246ms |
| Composite Indices | ||
| Value Score | 100.0 | 20.1 |
| Reasoning Score | 38.4 | 66.2 |
| Intelligence | 3.7 | 60.9 |
| Coding | — | 76.8 |
| Math | 33.7 | — |
| Standard Benchmarks | ||
| GPQA | 52.9% | 94.9% |
| MMLU Pro | 66.9% | — |
| HLE | 4.4% | 42.9% |
| LiveCodeBench | 43.5% | — |
| MATH 500 | 89.3% | — |
| AIME 2025 | 33.7% | — |
| AIME (Original) | 51.0% | — |
| SciCode | 26.7% | 53.6% |
| LCR | 0.0% | 75.0% |
| IFBench | 30.4% | — |
| TAU-bench v2 | 0.0% | — |
| TerminalBench Hard | 0.0% | — |
Key Takeaways
Reka Flash 3 offers the best value at $0.20/1M,making it ideal for high-volume applications and cost-conscious projects.
Grok 4.6 (high) has the strongest reasoning profile with a 66.2 reasoning score,combining the available reasoning-heavy benchmarks.
Grok 4.6 (high) reaches a 76.8 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 Flash 3
- Cost-sensitive applications
- High-volume processing
Grok 4.6 (high)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
