compare/GPT-6.1 SolvsKimi K3

GPT-6.1 Sol vs Kimi K3

Pricing, context window, capabilities, and release date — pulled from each provider's public docs. Both are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

RUN BOTH LIVE

Paste a prompt. Watch them race.

Both models stream in parallel through your own AIgateway key. Tokens, latency, and cost update as they arrive.

Sign in to runLive streaming uses your own key. It's free to sign up.
 GPT-6.1 Sol
openai/gpt-6.1-sol
Kimi K3
moonshot/kimi-k3
ProviderOpenAIMoonshot
Family
Modalitytexttext
Context window1,050,000 tok1,048,576 tok
Max output128,000 tok32,768 tok
Released2026-10-062026-07-16
Input price$2.00 /1M$3.00 /1M
Output price$10.00 /1M$15.00 /1M
Cache read——
Toolsyesyes
Streamingyesyes
Visionyesyes
JSON modeyesyes
Reasoningyesyes
Prompt caching——
GPT-6.1 Sol
openai/gpt-6.1-sol
Full spec →

GPT-6.1 Sol is OpenAI's newest Sol model, delivering near-Astra performance at a lower cost for complex coding, computer use, and professional work.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Kimi K3
moonshot/kimi-k3
Full spec →

Kimi K3 is Moonshot's flagship 2.8 trillion-parameter model, built on Kimi Delta Attention (a hybrid linear attention mechanism) with Attention Residuals. It offers native visual understanding, always-on reasoning, and a 1M-token context window for long-horizon coding, knowledge work, and deep reasoning tasks.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
SWITCH BETWEEN THEM

One key, both models, one line different.

# pip install aigateway-py openai
# aigateway-py: sub-accounts, evals, replays, jobs, webhook verify.
# openai SDK: chat/embeddings/images/audio — drop-in compat per our SDK's own guidance.
from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# Try GPT-6.1 Sol
client.chat.completions.create(
    model="openai/gpt-6.1-sol",
    messages=[{"role":"user","content":"hello"}],
)

# Try Kimi K3 — same client, same key
client.chat.completions.create(
    model="moonshot/kimi-k3",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyAdd a third model

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