Back to Value Frontier

Magnum v4 72B vs StepFun: Step 3.5 Flash (free)

Head-to-head API cost, context, and performance comparison. Synced at 12:52:45 PM.

Executive Summary

When evaluating Magnum v4 72B against StepFun: Step 3.5 Flash (free), the pricing structure is a key differentiator. StepFun: Step 3.5 Flash (free) is approximately 100% more cost-effective per 1 million tokens overall. In fact, it is currently available for free inference, though developers should be mindful of potential rate limits or stability changes common with zero-cost or preview tiers.

However, when looking at raw reasoning capabilities, Magnum v4 72B leads with a statistical ELO score of 1502. For tasks involving complex logic, coding, or instruction-following, developers might prefer Magnum v4 72B, provided their budget allows for the API burn rate.

Arbitrage Alert

You are losing 100%
per million tokens by hardcoding Magnum v4 72B.

Stop guessing exactly which model to route to. Deploy the 0ms Intelligence Engine to automatically arbitrage this 100% gap in your production environment instantly.

100% Instant Profit Margin Recovery
Node.js Enterprise SDK included

Raw Technical comparison

Metric
Magnum v4 72B
StepFun: Step 3.5 Flash (free)
Performance (ELO)
1502
1420
Input Cost / 1M
$3.00
Free
Output Cost / 1M
$5.00
Free
Context Window
16,384 tokens
256,000 tokens

Verdict

If you are looking for pure performance and capability, Magnum v4 72B is statistically superior. However, if API burn rate is the primary concern, StepFun: Step 3.5 Flash (free) wins out aggressively in pricing.

People Also Ask

Is Magnum v4 72B cheaper than StepFun: Step 3.5 Flash (free)?

No. StepFun: Step 3.5 Flash (free) is the more cost-effective model, operating at a lower price point per 1 million tokens.

Which model has the larger context window?

The StepFun: Step 3.5 Flash (free) model has the advantage in memory, offering a massive 256,000 token limit for document ingestion.

Related Comparisons

Compare Magnum v4 72B vs MiniMax: MiniMax M2.5 (free)Compare Magnum v4 72B vs NVIDIA: Nemotron 3 Nano 30B A3B (free)Compare Magnum v4 72B vs Arcee AI: Trinity Mini (free)Compare Magnum v4 72B vs Qwen: Qwen3 Next 80B A3B Instruct (free)