AI model comparison
Kimi K2.7 Code vs GPT-5.1
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Moonshot AI
Kimi K2.7 Code
MoonshotAI: Kimi K2.7 Code is a coding-focused model in Moonshot AI's Kimi K2 family, built to complete end-to-end programming tasks reliably over long contexts.
- Input / 1M
- $0.67
- Output / 1M
- $3.35
- Context
- 262K
OpenAI
GPT-5.1
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5.
- Input / 1M
- $1.25
- Output / 1M
- $10
- Context
- 400K
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Kimi K2.7 Code
2.5x cheaper for a typical chat
Higher intelligence score
Kimi K2.7 Code
25.8 vs 24.7 on Artificial Analysis
Larger context window
GPT-5.1
400K vs 262K tokens
Newer release
Kimi K2.7 Code
Released June 12, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
GPT-5.124.7Coding index
GPT-5.149.4Agentic index
GPT-5.1Not availablePricing
Kimi K2.7 Code vs GPT-5.1 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | GPT-5.1 | |
|---|---|---|
| Input tokensPer 1M tokens | $0.67 | $1.25 |
| Output tokensPer 1M tokens | $3.35 | $10 |
| Cached input (read)Per 1M tokens | $0.18 | $0.13 |
| Cache writePer 1M tokens | Not available | Not available |
| Web searchPer request | Not available | $0.01 |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
GPT-5.1$7.50Coding task
30K in, 4K out
GPT-5.1$77.50$43.75 cachedLong document summary
150K in, 2K out
GPT-5.1$207.50$38.75 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | GPT-5.1 | |
|---|---|---|
| Context window | 262K tokens | 400K tokens |
| Max output | 236K tokens | 128K tokens |
| Input types | Image, Text | File, Image, Text |
| Output types | Text | Text |
| Reasoning effort levels | Not available | High, Medium, Low, None |
| Default reasoning effort | Not available | Medium |
| Release date | June 12, 2026 | November 13, 2025 |
Features
Supported features
API features available for each model.
| Metric | GPT-5.1 | |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Not supported |
| Stop sequences | Supported | Not supported |
| Deterministic seed | Supported | Supported |
| Verbosity control | Not supported | Supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
- Kimi K2.7 Code vs Qwen3.7 Max
- Kimi K2.7 Code vs Gemini 3 Flash Preview
- Kimi K2.7 Code vs GLM 5
- Kimi K2.7 Code vs Grok Build 0.1
- Kimi K2.7 Code vs Kimi K2.6
- Kimi K2.7 Code vs GLM 5 Turbo
- Kimi K2.7 Code vs GLM 5.1
- Kimi K2.7 Code vs Grok 4.20
- Kimi K2.7 Code vs Inkling Small
- Kimi K2.7 Code vs Inkling
- Kimi K2.7 Code vs Grok 4.3
- Kimi K2.7 Code vs GPT-5.4 Mini
- Kimi K2.7 Code vs Kimi K2.5
- Kimi K2.7 Code vs Kimi K2 Thinking
Our take
Kimi K2.7 Code is 2.5x cheaper for a typical chat. Kimi K2.7 Code scores higher on the Artificial Analysis Intelligence Index (25.8 vs 24.7). GPT-5.1 has the larger context window (400K vs 262K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Kimi K2.7 Code or GPT-5.1 cheaper?
Kimi K2.7 Code is cheaper for a typical chat (2K input tokens and 500 output tokens). Kimi K2.7 Code costs $0.67 per 1M input tokens and $3.35 per 1M output tokens, while GPT-5.1 costs $1.25 per 1M input tokens and $10 per 1M output tokens.
Which has a bigger context window, Kimi K2.7 Code or GPT-5.1?
GPT-5.1 supports up to 400K tokens of context, compared with 262K for Kimi K2.7 Code.
Is Kimi K2.7 Code smarter than GPT-5.1?
On the Artificial Analysis Intelligence Index, Kimi K2.7 Code scores 25.8 and GPT-5.1 scores 24.7, putting Kimi K2.7 Code ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Kimi K2.7 Code and GPT-5.1 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Kimi K2.7 Code and GPT-5.1 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Kimi K2.7 Code and GPT-5.1 at the same time. Compare the answers side by side and keep the best one.