Model Comparison
30B (high)
vs. Step 3.5 Flash 2603
Comparing 2 AI models · 7 benchmarks · Sarvam, StepFun
Recommended Pick
StStep 3.5 Flash 260310 metric winsStrongest on: TTFT, Reasoning, Intelligence
Best Value
30B (high)
100.0 value score
25.6 reasoning / $0.05/1M
Lowest Price
30B (high)
$0.03/1M input price
Best Reasoning
Step 3.5 Flash 2603
43.7 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
Best value
30B (high) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
30B (high) is 3.8x cheaper on input tokens than Step 3.5 Flash 2603.
Speed gap
30B (high) generates about 1.1x as many tokens per second as Step 3.5 Flash 2603.
Reasoning gap
Step 3.5 Flash 2603 leads 30B (high) by 18.1 points on reasoning.
Top-pick rationale
Step 3.5 Flash 2603 wins 10 measurable categories, including TTFT, Reasoning, Intelligence, GPQA.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
30B (high)
Sarvam
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Step 3.5 Flash 2603
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Sa 30B (high) | Top Pick St Step 3.5 Flash 2603 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.03/1M | $0.10/1M |
| Output Cost | $0.11/1M | $0.30/1M |
| Blended (3:1) | $0.05/1M | $0.15/1M |
| Specifications | ||
| Organization | Sarvam | StepFun |
| Release Date | Mar 6, 2026 | Apr 2, 2026 |
| Performance & Speed | ||
| Throughput | 217.4 tok/s | 201.0 tok/s |
| TTFT | 1136ms | 788ms |
| Latency | 10335ms | 10736ms |
| Composite Indices | ||
| Value Score | 100.0 | 53.5 |
| Reasoning Score | 25.6 | 43.7 |
| Intelligence | 6.6 | 26.0 |
| Standard Benchmarks | ||
| GPQA | 63.3% | 82.6% |
| HLE | 7.0% | 22.6% |
| SciCode | 19.2% | 38.5% |
| LCR | 0.0% | 54.3% |
| IFBench | 26.5% | 66.5% |
| TAU-bench v2 | 34.5% | 87.4% |
| TerminalBench Hard | 2.3% | 32.6% |
Key Takeaways
30B (high) offers the best value at $0.03/1M,making it ideal for high-volume applications and cost-conscious projects.
Step 3.5 Flash 2603 has the strongest reasoning profile with a 43.7 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
30B (high)
- Cost-sensitive applications
- High-volume processing
Step 3.5 Flash 2603
- Complex reasoning tasks
- Research & analysis
