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Qwen3 Coder Next vs Step 3.5 Flash

Qwen3 Coder Next

Alibaba

40#348
vs
Step 3.5 Flash

StepFun

40#349
Signal-by-Signal Comparison
SignalQwen3 Coder NextDeltaStep 3.5 Flash
Capabilities
50
--
50
Pricing
99
0
100
Context window size
86
--
86
Recency
83
+1
82
Output Capacity
86
+9
77
Overall Result
2 wins
of 5
1 wins
Qwen3 Coder Next wins 2 of 5 signals

Score History

Score History (38 data points)
Qwen3 Coder NextStep 3.5 Flash
Qwen3 Coder Next

40

current score

Leader

Tied

right now

Step 3.5 Flash

40

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Qwen3 Coder Next

Alibaba

Per request$0.000520
Daily$1.73
Monthly$52.00
Annual$624.00

Step 3.5 Flash

StepFun

Best Value
Per request$0.000250
Daily$0.83
Monthly$25.00
Annual$300.00

Step 3.5 Flash saves you $27.00/month

That's $324.00/year compared to Qwen3 Coder Next at your current usage level of 100K calls/month.

52% cheaper
Choose Step 3.5 Flash for cost optimization

Qwen3 Coder Next pricing:
Input:$0.12/M tokens
Output:$0.80/M tokens
Step 3.5 Flash pricing:
Input:$0.10/M tokens
Output:$0.30/M tokens
Tie
Qwen3 Coder Next

Alibaba

40

Composite Score

Tie
Step 3.5 Flash

StepFun

40

Composite Score

Signal-by-Signal Comparison
MetricQwen3 Coder NextStep 3.5 FlashWinner
Overall Score
40
40
--
Rank#348#349
Qwen3 Coder Next
Quality Rank#348#349
Qwen3 Coder Next
Adoption Rank#348#349
Qwen3 Coder Next
Parameters------
Context Window262K262K--
Pricing$0.12/$0.80/M$0.10/$0.30/M--
Signal Scores
Capabilities
50
50
Qwen3 Coder Next
Pricing
99
100
Step 3.5 Flash
Context window size
86
86
Qwen3 Coder Next
Recency
83
82
Qwen3 Coder Next
Output Capacity
86
77
Qwen3 Coder Next
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Qwen3 Coder NextEntry Level

Scores 40/100 (rank #348), placing it in the top -20% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Step 3.5 FlashEntry Level

Scores 40/100 (rank #349), placing it in the top -20% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose Qwen3 Coder Next when you need:

  • Self-hosted deployments where you need full control over the model

Choose Step 3.5 Flash when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
Qwen3 Coder Next
Input cost$0.12/M tokens
Output cost$0.80/M tokens
Cost per quality point$0.023
Est. monthly (1M tokens/day)$13.80
Step 3.5 FlashBest Value
Input cost$0.10/M tokens
Output cost$0.30/M tokens
Cost per quality point$0.010
Est. monthly (1M tokens/day)$6.00

Step 3.5 Flash offers 57% better value per quality point. At 1M tokens/day, you'd spend $6.00/month with Step 3.5 Flash vs $13.80/month with Qwen3 Coder Next - a $7.80 monthly difference.

Latency & Speed
Qwen3 Coder NextFaster
Speed score0/100
Step 3.5 Flash
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Qwen3 Coder Next

Customer support chatbot

Suitable for user-facing chat with competitive response times. Step 3.5 Flash also offers lower per-token costs for high-volume support

Qwen3 Coder Next

Long document analysis

Larger context window (262K tokens) can process longer documents, contracts, and research papers in a single pass

Qwen3 Coder Next

Batch data extraction

Lower output pricing ($0.30/M) reduces costs when processing thousands of records daily

Step 3.5 Flash

Creative writing & content

Higher overall composite score (40/100) correlates with better nuance, coherence, and style in long-form content

Qwen3 Coder Next
Which Should You Choose?
Our recommendation:
Qwen3 Coder Next

Qwen3 Coder Next and Step 3.5 Flash are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

Qwen3 Coder Next
Recommended

by Alibaba

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by StepFun

  • Choose for Cost - 57% lower pricing; better value at scale
Capability Comparison
CapabilityQwen3 Coder NextStep 3.5 Flash
Vision (Image Input)
Function Calling
Streaming
JSON Modediffers
Reasoningdiffers
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Qwen3 Coder Next

Alibaba

$1.18
estimated monthly cost

Step 3.5 Flash

StepFun

Best Value
$0.5400
estimated monthly cost

Step 3.5 Flash saves you $0.6360/month

That's 54% cheaper than Qwen3 Coder Next at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterQwen3 Coder NextStep 3.5 Flash
Context Window262K262K
Max Output Tokens235,92965,536
Open SourceYesYes
CreatedFeb 4, 2026Jan 29, 2026
Last updated: 57m ago

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Qwen3 Coder Next vs Step 3.5 Flash (2026) | LM Market Cap