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Kimi K2.7 Code vs Step 3.7 Flash

Kimi K2.7 Code

Moonshot AI

54#163
vs
Step 3.7 Flash

StepFun

40#199
Signal-by-Signal Comparison
SignalKimi K2.7 CodeDeltaStep 3.7 Flash
Capabilities
83
--
83
Benchmarks
51
+51
0
Pricing
97
-2
99
Context window size
86
--
86
Recency
100
--
100
Output Capacity
90
+0
90
Overall Result
2 wins
of 6
1 wins
Kimi K2.7 Code wins 2 of 6 signals

Score History

Score History (11 data points)
Kimi K2.7 CodeStep 3.7 Flash
Kimi K2.7 Code

54.1

current score

Leader

Kimi K2.7 Code

right now

Step 3.7 Flash

40

current score

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

Kimi K2.7 Code

Moonshot AI

Per request$0.002480
Daily$8.27
Monthly$248.00
Annual$2976.00

Step 3.7 Flash

StepFun

Best Value
Per request$0.000775
Daily$2.58
Monthly$77.50
Annual$930.00

Step 3.7 Flash saves you $170.50/month

That's $2046.00/year compared to Kimi K2.7 Code at your current usage level of 100K calls/month.

69% cheaper
Choose Step 3.7 Flash for cost optimization

Kimi K2.7 Code pricing:
Input:$0.73/M tokens
Output:$3.50/M tokens
Step 3.7 Flash pricing:
Input:$0.20/M tokens
Output:$1.15/M tokens
Winner
Kimi K2.7 Code

Moonshot AI

54

Composite Score

Step 3.7 Flash

StepFun

40

Composite Score

Signal-by-Signal Comparison
MetricKimi K2.7 CodeStep 3.7 FlashWinner
Overall Score
54
40
Kimi K2.7 Code
Rank#163#199
Kimi K2.7 Code
Quality Rank#163#199
Kimi K2.7 Code
Adoption Rank#163#199
Kimi K2.7 Code
Parameters------
Context Window262K262K--
Pricing$0.73/$3.50/M$0.20/$1.15/M--
Signal Scores
Capabilities
83
83
Kimi K2.7 Code
Benchmarks
51
--
Kimi K2.7 Code
Pricing
97
99
Step 3.7 Flash
Context window size
86
86
Kimi K2.7 Code
Recency
100
100
Kimi K2.7 Code
Output Capacity
90
90
Kimi K2.7 Code
Benchmark Head-to-Head(1 benchmarks)
Kimi K2.7: 0Step 3.7: 0
Kimi K2.7
Step 3.7
Normalized 0-100%
SWE-bench Verified
63.4%-
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.

Kimi K2.7 CodeCompetitive

Scores 54/100 (rank #163), placing it in the top 44% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Step 3.7 FlashEntry Level

Scores 40/100 (rank #199), placing it in the top 32% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Kimi K2.7 Code has a 14-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Kimi K2.7 Code when you need:

  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model

Choose Step 3.7 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
Kimi K2.7 Code
Input cost$0.73/M tokens
Output cost$3.50/M tokens
Cost per quality point$0.078
Est. monthly (1M tokens/day)$63.45
Step 3.7 FlashBest Value
Input cost$0.20/M tokens
Output cost$1.15/M tokens
Cost per quality point$0.034
Est. monthly (1M tokens/day)$20.25

Step 3.7 Flash offers 68% better value per quality point. At 1M tokens/day, you'd spend $20.25/month with Step 3.7 Flash vs $63.45/month with Kimi K2.7 Code - a $43.20 monthly difference.

Latency & Speed
Kimi K2.7 CodeFaster
Speed score0/100
Step 3.7 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

Kimi K2.7 Code

Customer support chatbot

Suitable for user-facing chat with competitive response times. Step 3.7 Flash also offers lower per-token costs for high-volume support

Kimi K2.7 Code

Long document analysis

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

Kimi K2.7 Code

Batch data extraction

Lower output pricing ($1.15/M) reduces costs when processing thousands of records daily

Step 3.7 Flash

Creative writing & content

Higher overall composite score (54/100) correlates with better nuance, coherence, and style in long-form content

Kimi K2.7 Code

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Kimi K2.7 Code
Which Should You Choose?
Our recommendation:
Kimi K2.7 Code

Kimi K2.7 Code clearly outperforms Step 3.7 Flash with a significant 14.100000000000001-point lead. For most general use cases, Kimi K2.7 Code is the stronger choice. However, Step 3.7 Flash may still excel in niche scenarios.

Kimi K2.7 Code
Recommended

by Moonshot AI

  • 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 - 68% lower pricing; better value at scale
Capability Comparison
CapabilityKimi K2.7 CodeStep 3.7 Flash
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Kimi K2.7 Code

Moonshot AI

$5.51
estimated monthly cost

Step 3.7 Flash

StepFun

Best Value
$1.74
estimated monthly cost

Step 3.7 Flash saves you $3.77/month

That's 68% cheaper than Kimi K2.7 Code 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
ParameterKimi K2.7 CodeStep 3.7 Flash
Context Window262K262K
Max Output Tokens262,144256,000
Open SourceYesYes
CreatedJun 12, 2026May 28, 2026
Last updated: 48m ago

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Kimi K2.7 Code vs Step 3.7 Flash (2026) | LM Market Cap