Model Comparison
105B (high)
vs. Step 3.5 Flash
Comparing 2 AI models · 7 benchmarks · Sarvam, StepFun
Recommended Pick
StStep 3.5 Flash12 metric winsStrongest on: Throughput, TTFT, Latency
Best Value
105B (high)
100.0 value score
31.9 reasoning / $0.07/1M
Lowest Price
105B (high)
$0.04/1M input price
Best Reasoning
Step 3.5 Flash
42.6 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
105B (high) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
105B (high) is 2.4x cheaper on input tokens than Step 3.5 Flash.
Speed gap
Step 3.5 Flash generates about 1.6x as many tokens per second as 105B (high).
Reasoning gap
Step 3.5 Flash leads 105B (high) by 10.6 points on reasoning.
Top-pick rationale
Step 3.5 Flash wins 12 measurable categories, including Throughput, TTFT, Latency, Reasoning.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
105B (high)
Sarvam
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Step 3.5 Flash
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Sa 105B (high) | Top Pick St Step 3.5 Flash |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.04/1M | $0.10/1M |
| Output Cost | $0.17/1M | $0.30/1M |
| Blended (3:1) | $0.07/1M | $0.15/1M |
| Specifications | ||
| Organization | Sarvam | StepFun |
| Release Date | Mar 6, 2026 | Feb 2, 2026 |
| Performance & Speed | ||
| Throughput | 126.7 tok/s | 202.4 tok/s |
| TTFT | 1173ms | 788ms |
| Latency | 16961ms | 10671ms |
| Composite Indices | ||
| Value Score | 100.0 | 65.8 |
| Reasoning Score | 31.9 | 42.6 |
| Intelligence | 11.9 | 25.5 |
| Standard Benchmarks | ||
| GPQA | 73.8% | 83.1% |
| HLE | 10.1% | 19.1% |
| SciCode | 26.4% | 40.4% |
| LCR | 0.0% | 43.0% |
| IFBench | 34.4% | 64.6% |
| TAU-bench v2 | 46.8% | 94.4% |
| TerminalBench Hard | 1.5% | 27.3% |
Key Takeaways
105B (high) offers the best value at $0.04/1M,making it ideal for high-volume applications and cost-conscious projects.
Step 3.5 Flash has the strongest reasoning profile with a 42.6 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
105B (high)
- Cost-sensitive applications
- High-volume processing
Step 3.5 Flash
- Complex reasoning tasks
- Research & analysis
