Model Comparison
Ring-1T
vs. Step 3.5 Flash 2603
Comparing 2 AI models · 10 benchmarks · InclusionAI, StepFun
Recommended Pick
Strongest on: Throughput, Intelligence, Coding
Lowest Price
Ring-1T
$0.00/1M input price
Best Reasoning
Ring-1T
57.8 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
Price gap
Ring-1T is ∞x cheaper on input tokens than Step 3.5 Flash 2603.
Reasoning gap
Ring-1T leads Step 3.5 Flash 2603 by 9.9 points on reasoning.
Coding gap
Step 3.5 Flash 2603 leads Ring-1T by 17.8 points on coding.
Top-pick rationale
Step 3.5 Flash 2603 wins 10 measurable categories, including Throughput, Intelligence, Coding, GPQA.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Ring-1T
InclusionAI
TTFT
—
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-1T | Top Pick St Step 3.5 Flash 2603 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $0.10/1M |
| Output Cost | $0.00/1M | $0.30/1M |
| Blended (3:1) | — | $0.15/1M |
| Specifications | ||
| Organization | InclusionAI | StepFun |
| Release Date | Oct 13, 2025 | Apr 2, 2026 |
| Performance & Speed | ||
| Throughput | — | 202.3 tok/s |
| TTFT | — | 937ms |
| Latency | — | 10825ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | 57.8 | 47.9 |
| Intelligence | 22.8 | 38.5 |
| Coding | 16.8 | 34.6 |
| Math | 89.3 | — |
| Standard Benchmarks | ||
| GPQA | 77.4% | 82.6% |
| MMLU Pro | 80.6% | — |
| HLE | 10.2% | 22.6% |
| LiveCodeBench | 64.3% | — |
| AIME 2025 | 89.3% | — |
| SciCode | 36.7% | 38.5% |
| LCR | 45.7% | 54.3% |
| IFBench | 44.6% | 66.5% |
| TAU-bench v2 | 26.3% | 87.4% |
| TerminalBench Hard | 6.8% | 32.6% |
Key Takeaways
Ring-1T offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.
Ring-1T has the strongest reasoning profile with a 57.8 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-1T
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
Step 3.5 Flash 2603
- Code generation
- Software development