compare/Gemini 3.1 ProvsGrok Imagine Video 1.5 Preview

Gemini 3.1 Pro vs Grok Imagine Video 1.5 Preview

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.
 Gemini 3.1 Pro
google/gemini-3.1-pro
Grok Imagine Video 1.5 Preview
xai/grok-imagine-video-1.5-preview
ProviderGooglexAI
FamilyGemini 3
Modalitytextvideo
Context window1,000,000 tok
Max output65,536 tok
Released2026-05-222026-06-03
Input price$2.00 /1M$0.080 /sec
Output price$12.00 /1M
Cache read$0.200 /1M
Toolsyes
Streamingyes
Visionyes
JSON modeyes
Reasoningyes
Prompt cachingyes
Gemini 3.1 Pro
google/gemini-3.1-pro
Full spec →

Google's most intelligent Gemini model with improved reasoning, a medium thinking level, and a 1M token context window.

Strengths
  • 2M-token context
  • Native video + audio input
  • Cheapest long-context reasoning
Grok Imagine Video 1.5 Preview
xai/grok-imagine-video-1.5-preview
Full spec →

xAI's next-generation video generation model. Generates, edits, and extends videos from text and image inputs. Supports multiple aspect ratios and resolutions with improved quality over the previous generation.

Strengths
  • Text-to-video generation
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 Gemini 3.1 Pro
client.chat.completions.create(
    model="google/gemini-3.1-pro",
    messages=[{"role":"user","content":"hello"}],
)

# Try Grok Imagine Video 1.5 Preview — same client, same key
client.chat.completions.create(
    model="xai/grok-imagine-video-1.5-preview",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyAdd a third model

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