Compare

HappyHorse 1.0 T2V vs Gemini 3.1 Pro

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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HappyHorse 1.0 T2V
alibaba/hh1-t2v
Gemini 3.1 Pro
google/gemini-3.1-pro
Provider
Alibaba
Google
Family
HappyHorse
Gemini 3
Modality
video
text
Context window
1,000,000 tok
Max output
65,536 tok
Released
2026-04-27
2026-04-13
License
Open-weight
Proprietary
Input price
$2.00 /1M
Output price
$12.00 /1M
Cache read
$0.200 /1M
Per output second
$0.280 /sec
Tools
yes
Streaming
yes
Vision
yes
JSON mode
yes
Reasoning
yes
Prompt caching
yes
Batch API
Try it
Open in playground →
Open in playground →
HappyHorse 1.0 T2V
alibaba/hh1-t2v
Full spec →

Alibaba's HappyHorse 1.0 text-to-video model. Generates videos from a text prompt with configurable resolution, aspect ratio, and duration (3-15s).

Strengths
  • Text-to-video generation
Use cases
PromosDemosStoryboards
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
Use cases
Video understandingVery long-document RAGCodebase-scale reasoning

Benchmarks

HappyHorse 1.0 T2V
Gemini 3.1 Pro
Long-Context
94.2
MMLU
89.6

Source: each provider's published benchmarks. Higher is better. Run an eval to compare on your own data.

Compare with another

Claude Opus 4.7 vs Gemini 3.1 Pro
anthropic/claude-opus-4.7 · google/gemini-3.1-pro
Gemini 3.1 Pro vs GPT-5.4
google/gemini-3.1-pro · openai/gpt-5.4
Claude Sonnet 4.6 vs Gemini 3.1 Pro
anthropic/claude-sonnet-4.6 · google/gemini-3.1-pro
Kimi-K2.6 vs Gemini 3.1 Pro
moonshot/kimi-k2.6 · google/gemini-3.1-pro
GPT-5.5 Pro vs Gemini 3.1 Pro
openai/gpt-5.5-pro · google/gemini-3.1-pro
GPT-5.5 Pro vs HappyHorse 1.0 T2V
openai/gpt-5.5-pro · alibaba/hh1-t2v
GPT-5.5 vs Gemini 3.1 Pro
openai/gpt-5.5 · google/gemini-3.1-pro
GPT-5.5 vs HappyHorse 1.0 T2V
openai/gpt-5.5 · alibaba/hh1-t2v
Claude Opus 4.7 vs HappyHorse 1.0 T2V
anthropic/claude-opus-4.7 · alibaba/hh1-t2v
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

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

# HappyHorse 1.0 T2V
client.chat.completions.create(
    model="alibaba/hh1-t2v",
    messages=[{"role":"user","content":"hello"}],
)

# Gemini 3.1 Pro
client.chat.completions.create(
    model="google/gemini-3.1-pro",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyRun an eval on these →