Model Comparison
Ring-2.6-1T
vs. Step 3.5 Flash 2603
Comparing 2 AI models · 7 benchmarks · InclusionAI, StepFun
Recommended Pick
St Step 3.5 Flash 2603 12 metric wins Strongest on: Value, Input price, Output price
Best Value
Step 3.5 Flash 2603
100.0 value score
47.9 reasoning / $0.15/1M
Lowest Price
Step 3.5 Flash 2603
$0.10/1M input price
Best Reasoning
Step 3.5 Flash 2603
47.9 reasoning score
Blends available reasoning benchmarks
Best for Coding
Step 3.5 Flash 2603
34.6 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
Step 3.5 Flash 2603 has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Step 3.5 Flash 2603 is 3.0x cheaper on input tokens than Ring-2.6-1T.
Speed gap
Step 3.5 Flash 2603 generates about 1.7x as many tokens per second as Ring-2.6-1T.
Reasoning gap
Step 3.5 Flash 2603 leads Ring-2.6-1T by 0.4 points on reasoning.
Coding gap
Step 3.5 Flash 2603 leads Ring-2.6-1T by 1.3 points on coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Ring-2.6-1T
InclusionAI
TTFT
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Time
—
tok/s
—
Tokens
—
Cost
—
Step 3.5 Flash 2603
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Full Comparison
| Metric | In Ring-2.6-1T | Top Pick St Step 3.5 Flash 2603 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.30/1M | $0.10/1M |
| Output Cost | $2.50/1M | $0.30/1M |
| Blended (3:1) | $0.85/1M | $0.15/1M |
| Specifications | ||
| Organization | InclusionAI | StepFun |
| Release Date | May 8, 2026 | Apr 2, 2026 |
| Performance & Speed | ||
| Throughput | 120.4 tok/s | 202.3 tok/s |
| TTFT | 1851ms | 937ms |
| Latency | 18458ms | 10825ms |
| Composite Indices | ||
| Value Score | 17.5 | 100.0 |
| Reasoning Score | 47.5 | 47.9 |
| Intelligence | 38.5 | 38.5 |
| Coding | 33.3 | 34.6 |
| Standard Benchmarks | ||
| GPQA | 85.7% | 82.6% |
| HLE | 18.3% | 22.6% |
| SciCode | 42.4% | 38.5% |
| LCR | 64.3% | 54.3% |
| IFBench | 44.6% | 66.5% |
| TAU-bench v2 | 92.4% | 87.4% |
| TerminalBench Hard | 28.8% | 32.6% |
Key Takeaways
Step 3.5 Flash 2603 offers the best value at $0.10/1M, making it ideal for high-volume applications and cost-conscious projects.
Step 3.5 Flash 2603 has the strongest reasoning profile with a 47.9 reasoning score, combining the available reasoning-heavy benchmarks.
Step 3.5 Flash 2603 reaches a 34.6 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
Ring-2.6-1T
- General-purpose AI
- Versatile applications
Step 3.5 Flash 2603
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
