Trendyol Asure 12B vs Step 3.5 Flash 2603
Step 3.5 Flash 2603 comes out ahead, 62 to 54 on our weighted score, and it is the cheaper option too.
Trendyol
Trendyol Asure 12B
54/100- ECI—
- Price$0.10 / $0.50
- Context131K
- Our pick
StepFunStep 3.5 Flash 2603
62/100- ECI—
- Price$0.10 / $0.30
- Context256K
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Make it a three-way comparison.
Step 3.5 Flash 2603 is our pick
Step 3.5 Flash 2603 is the better all-round choice, scoring 62/100 against Trendyol Asure 12B (54). It leads on price, inputs & features and context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceStep 3.5 Flash 2603Step 3.5 Flash 2603 $0.15 · Trendyol Asure 12B $0.20 per 1M tokens (3:1 blend)
- Longest contextStep 3.5 Flash 2603Step 3.5 Flash 2603 256,000 · Trendyol Asure 12B 131,072 tokens
- Widest inputsTrendyol Asure 12BTrendyol Asure 12B: Text, Images · Step 3.5 Flash 2603: Text
- Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
| Measure | Weight | Trendyol Asure 12B | Step 3.5 Flash 2603 |
|---|---|---|---|
| Price | 50% | 83 | 89 |
| Inputs & features | 30% | 25 | 35 |
| Context window | 20% | 24 | 36 |
| Overall | 100% | 54/100 | 62/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Trendyol Asure 12BTrendyol | Step 3.5 Flash 2603StepFun |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | $0.10 | $0.10 |
| Output | $0.50 | $0.30 (best) |
| Cached input | — | $0.02 |
| Blended (3:1) | $0.20 | $0.15 (best) |
| Long-context rate | Same rate | Same rate |
| Price source | Median of 1 providers | Official StepFun (Global) API |
| Limits | ||
| Context window | 131,072 tokens | 256,000 tokens (best) |
| Max output | — | 256,000 tokens |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | Yes | No |
| PDFs | No | No |
| Audio | No | No |
| Video | No | No |
| Reasoning | No | Yeslow · high |
| Tool calling | No | Yes |
| Structured output | No | No |
| Availability | ||
| Weights | OpenGemma | Open |
| API model ID | — | step-3.5-flash-2603 |
| API providers | 1 | 3 (best) |
| Released | Feb 19, 2026 | Apr 2, 2026 |
| Knowledge cutoff | — | Jan 2025 |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Trendyol Asure 12B$2.00
- Step 3.5 Flash 2603$1.60
Which should you choose?
Which is better: Trendyol Asure 12B or Step 3.5 Flash 2603?
Step 3.5 Flash 2603 is the better all-round choice, scoring 62/100 against Trendyol Asure 12B (54). It leads on price, inputs & features and context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Trendyol Asure 12B or Step 3.5 Flash 2603?
Step 3.5 Flash 2603 is cheaper at $0.10 input / $0.30 output per million tokens (official StepFun (Global) API price). Trendyol Asure 12B costs $0.10 input / $0.50 output per million tokens (median across 1 API provider). At a typical mix of three input tokens to one output token, that is $0.15 per million tokens for Step 3.5 Flash 2603 versus $0.20 for Trendyol Asure 12B (1.3× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Trendyol Asure 12B has not been scored yet and Step 3.5 Flash 2603 has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Trendyol Asure 12B and Step 3.5 Flash 2603 yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Note that Trendyol Asure 12B does not support tool calling, which most coding agents need.
Which has the bigger context window?
Step 3.5 Flash 2603 has the largest context window at 256,000 tokens, against 131,072 for Trendyol Asure 12B. Maximum output per response: Step 3.5 Flash 2603 up to 256,000 tokens.
Which can read images, PDFs, audio or video?
Trendyol Asure 12B accepts text and images; Step 3.5 Flash 2603 accepts text. Trendyol Asure 12B handles the widest range of inputs.
Are any of these open source?
Yes, both publish their weights (Gemma), so you can self-host them.
Which is newer?
Step 3.5 Flash 2603 is the newest, released Apr 2, 2026. Trendyol Asure 12B came out Feb 19, 2026. Knowledge cutoff: Step 3.5 Flash 2603 Jan 2025.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.
