Compare

MiniMax H3 Highspeed vs GPT-5.5 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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MiniMax H3 Highspeed
minimax/h3-highspeed
GPT-5.5 Pro
openai/gpt-5.5-pro
Provider
MiniMax
OpenAI
Family
GPT-5
Modality
video
text
Context window
—
1,000,000 tok
Max output
—
16,384 tok
Released
2026-10-30
2026-05-22
License
Open-weight
Proprietary
Input price
—
$30.00 /1M
Output price
—
$180.00 /1M
Per output second
$0.060 /sec
—
Tools
—
yes
Streaming
—
yes
Vision
—
yes
JSON mode
—
yes
Reasoning
—
yes
Prompt caching
—
—
Batch API
—
—
Try it
View model →
Open in playground →
MiniMax H3 Highspeed
minimax/h3-highspeed
Full spec →

A multimodal video generation model that balances quality and speed, supporting text-to-video, first and last frame image-to-video, and reference-to-video generation at 768P.

Strengths
  • Text-to-video generation
Use cases
PromosDemosStoryboards
GPT-5.5 Pro
openai/gpt-5.5-pro
Full spec →

GPT-5.5 pro uses OpenAI's Responses API with built-in tools, improved reasoning, and stateful context management.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows

Compare with another

Claude Opus 5.5 vs MiniMax H3 Highspeed
anthropic/claude-opus-5.5 · minimax/h3-highspeed
Claude Opus 5.5 vs GPT-5.5 Pro
anthropic/claude-opus-5.5 · openai/gpt-5.5-pro
Gemini 4 Argon vs MiniMax H3 Highspeed
google/gemini-4-argon · minimax/h3-highspeed
Gemini 4 Argon vs GPT-5.5 Pro
google/gemini-4-argon · openai/gpt-5.5-pro
Claude Sonnet 5.5 vs MiniMax H3 Highspeed
anthropic/claude-sonnet-5.5 · minimax/h3-highspeed
Claude Sonnet 5.5 vs GPT-5.5 Pro
anthropic/claude-sonnet-5.5 · openai/gpt-5.5-pro
Deepseek-V4.1-Flash-1017 vs MiniMax H3 Highspeed
deepseek/deepseek-v4.1-flash-1017 · minimax/h3-highspeed
Deepseek-V4.1-Flash-1017 vs GPT-5.5 Pro
deepseek/deepseek-v4.1-flash-1017 · openai/gpt-5.5-pro
Grok 4.7 vs MiniMax H3 Highspeed
xai/grok-4.7 · minimax/h3-highspeed
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-...",
)

# MiniMax H3 Highspeed
client.chat.completions.create(
    model="minimax/h3-highspeed",
    messages=[{"role":"user","content":"hello"}],
)

# GPT-5.5 Pro
client.chat.completions.create(
    model="openai/gpt-5.5-pro",
    messages=[{"role":"user","content":"hello"}],
)
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