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GPT-5 Nano vs Kimi K2 0711

GPT-5 Nano

OpenAI

46#169
vs
Kimi K2 0711

Moonshot AI

51#167
Signal-by-Signal Comparison
SignalGPT-5 NanoDeltaKimi K2 0711
Capabilities
100
+67
33
Benchmarks
48
-2
51
Pricing
100
+2
98
Context window size
80
+7
73
Recency
71
+5
66
Output Capacity
85
+2
83
Overall Result
5 wins
of 6
1 wins
GPT-5 Nano wins 5 of 6 signals

Score History

Score History (22 data points)
GPT-5 NanoKimi K2 0711
GPT-5 Nano

46.4

current score

Leader

Kimi K2 0711

right now

Kimi K2 0711

51

current score

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

GPT-5 Nano

OpenAI

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

Kimi K2 0711

Moonshot AI

Per request$0.001720
Daily$5.73
Monthly$172.00
Annual$2064.00

GPT-5 Nano saves you $147.00/month

That's $1764.00/year compared to Kimi K2 0711 at your current usage level of 100K calls/month.

85% cheaper
Choose GPT-5 Nano for cost optimization

GPT-5 Nano pricing:
Input:$0.05/M tokens
Output:$0.40/M tokens
Kimi K2 0711 pricing:
Input:$0.57/M tokens
Output:$2.30/M tokens
GPT-5 Nano

OpenAI

46

Composite Score

Winner
Kimi K2 0711

Moonshot AI

51

Composite Score

Signal-by-Signal Comparison
MetricGPT-5 NanoKimi K2 0711Winner
Overall Score
46
51
Kimi K2 0711
Rank#169#167
Kimi K2 0711
Quality Rank#169#167
Kimi K2 0711
Adoption Rank#169#167
Kimi K2 0711
Parameters------
Context Window400K131K
GPT-5 Nano
Pricing$0.05/$0.40/M$0.57/$2.30/M--
Signal Scores
Capabilities
100
33
GPT-5 Nano
Benchmarks
48
51
Kimi K2 0711
Pricing
100
98
GPT-5 Nano
Context window size
80
73
GPT-5 Nano
Recency
71
66
GPT-5 Nano
Output Capacity
85
83
GPT-5 Nano
Benchmark Head-to-Head(2 benchmarks)
GPT-5 Nano: 0Kimi K2: 1
GPT-5 Nano
Kimi K2
Normalized 0-100%
SWE-bench Verified
34.8%63.4%
Arena Elo
1337-
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.

GPT-5 NanoEntry Level

Scores 46/100 (rank #169), placing it in the top 42% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Kimi K2 0711Competitive

Scores 51/100 (rank #167), placing it in the top 43% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 5-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 GPT-5 Nano when you need:

  • High-volume production workloads where API costs must be minimized
  • Processing long documents or large codebases (400K token context)
  • Multimodal workflows that require image understanding
  • Step-by-step reasoning and chain-of-thought problem solving

Choose Kimi K2 0711 when you need:

  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
GPT-5 NanoBest Value
Input cost$0.05/M tokens
Output cost$0.40/M tokens
Cost per quality point$0.010
Est. monthly (1M tokens/day)$6.75
Kimi K2 0711
Input cost$0.57/M tokens
Output cost$2.30/M tokens
Cost per quality point$0.056
Est. monthly (1M tokens/day)$43.05

GPT-5 Nano offers 84% better value per quality point. At 1M tokens/day, you'd spend $6.75/month with GPT-5 Nano vs $43.05/month with Kimi K2 0711 - a $36.30 monthly difference.

Latency & Speed
GPT-5 NanoFaster
Speed score0/100
Kimi K2 0711
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

GPT-5 Nano

Customer support chatbot

Suitable for user-facing chat with competitive response times. GPT-5 Nano also offers lower per-token costs for high-volume support

GPT-5 Nano

Long document analysis

Larger context window (400K tokens) can process longer documents, contracts, and research papers in a single pass

GPT-5 Nano

Batch data extraction

Lower output pricing ($0.40/M) reduces costs when processing thousands of records daily

GPT-5 Nano

Creative writing & content

Higher overall composite score (51/100) correlates with better nuance, coherence, and style in long-form content

Kimi K2 0711

Image understanding & OCR

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

GPT-5 Nano
Which Should You Choose?
Our recommendation:
Kimi K2 0711

Kimi K2 0711 has a moderate advantage with a 4.600000000000001-point lead in composite score. It wins on more signal dimensions, but GPT-5 Nano has specific strengths that could make it the better choice for certain workflows.

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 84% lower pricing; better value at scale
  • 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
Kimi K2 0711
Recommended

by Moonshot AI

Consider for specialized use cases.

Capability Comparison
CapabilityGPT-5 NanoKimi K2 0711
Vision (Image Input)differs
Function Calling
Streaming
JSON Modediffers
Reasoningdiffers
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

GPT-5 Nano

OpenAI

Best Value
$0.5700
estimated monthly cost

Kimi K2 0711

Moonshot AI

$3.79
estimated monthly cost

GPT-5 Nano saves you $3.22/month

That's 85% cheaper than Kimi K2 0711 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
ParameterGPT-5 NanoKimi K2 0711
Context Window400K131K
Max Output Tokens128,000100,352
Open SourceNoYes
CreatedAug 7, 2025Jul 11, 2025
Last updated: 35m ago

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