compare/Claude Sonnet 5.5vsMiniMax H3 Highspeed

Claude Sonnet 5.5 vs MiniMax H3 Highspeed

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.

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 Claude Sonnet 5.5
anthropic/claude-sonnet-5.5
MiniMax H3 Highspeed
minimax/h3-highspeed
ProviderAnthropicMiniMax
FamilyClaude 4
Modalitytextvideo
Context window1,000,000 tok—
Max output128,000 tok—
Released2026-10-062026-10-30
Input price$2.00 /1M$0.060 /sec
Output price$10.00 /1M—
Cache read——
Toolsyes—
Streamingyes—
Visionyes—
JSON modeyes—
Reasoningyes—
Prompt caching——
Claude Sonnet 5.5
anthropic/claude-sonnet-5.5
Full spec →

Claude Sonnet 5.5 offers the best combination of speed and intelligence, with adaptive thinking for coding, tool use, reasoning, and long-horizon work.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
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
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 Claude Sonnet 5.5
client.chat.completions.create(
    model="anthropic/claude-sonnet-5.5",
    messages=[{"role":"user","content":"hello"}],
)

# Try MiniMax H3 Highspeed — same client, same key
client.chat.completions.create(
    model="minimax/h3-highspeed",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyAdd a third model

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