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Moonshot AI (Kimi)

Kimi K2.7 Code

VS
OpenAI

GPT-5.5

Analysis By: The WhichLLMModel Editorial Team|Updated: June 2026

Self-Hosted Local Rig vs Cloud API Matrix

Metric / Spec
Kimi K2.7 CodeOpen Source
GPT-5.5Cloud API
Pricing Model$0.00 / token (Free Weights)$11.25 / 1M Tokens
Hardware Needed48GB+ VRAM (Multi-GPU)None (Runs in Cloud)
Data Privacy 100% On-Device / PrivateSent to Cloud Provider
Rate Limits & AvailabilityZero (Always Available)Subject to Provider Quotas
Context Window262.14k1.05M
Detailed PageHardware Details Model Specs

Benchmark Parity (Does the Open Model Match the API?)

Coding Benchmark (SWE-bench / HumanEval)
Kimi K2.7 Code (Open)58.6%
GPT-5.5 (API)58.6%
Reasoning Benchmark (GPQA / MMLU)
Kimi K2.7 Code (Open)90%
GPT-5.5 (API)93.6%

Frequently Asked Questions about Kimi K2.7 Code vs GPT-5.5

Kimi K2.7 Code is cheaper than GPT-5.5. Kimi K2.7 Code has a blended cost of $1.71/1M tokens, which is about 6.6x cheaper than GPT-5.5 at $11.25/1M tokens.

Both Kimi K2.7 Code and GPT-5.5 score identically at 58.6% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning).