GPT-5.5 vs MiniMax M2.7

API pricing, context window and capabilities for GPT-5.5 and MiniMax M2.7, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.

Verdict

computed from the published numbers

GPT-5.5 wins on Terminal-Bench, on intelligence and on context window. MiniMax M2.7 wins on price.

Price
MiniMax M2.7
Terminal-Bench
GPT-5.5
Intelligence
GPT-5.5
Context window
GPT-5.5

Key takeaways

who wins on what, from the published numbers

GPT-5.5 wins

  • Larger context window (1.1M vs 1M)
  • Supports vision
  • Has web search

MiniMax M2.7 wins

  • Cheaper input ($5.00 vs $0.25 /1M)
  • Cheaper output ($30.00 vs $0.55 /1M)
  • Higher max output (128K vs 1M)
  • More serving providers (6 vs 9)
Cheaper overall
MiniMax M2.7
$0.25 + $0.55 /1M
Larger context
GPT-5.5
1.1M
More providers
MiniMax M2.7
9 providers

Pricing & specs

cheapest listed route · per 1M tokens
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
GPT-5.5MiniMax M2.7
Input $/1M$5.00via OpenAI $0.25via DeepInfra best
Output $/1M$30.00via OpenAI $0.55via Pinstripes best
Context window1.1M best1M
Max output128K 1M best
Serving providers6 9 best
DateReleased Apr 23, 2026 Released Mar 18, 2026

Benchmarks

Benchmark scores, side by side
GPT-5.5MiniMax M2.7
Intelligence38.4 best22.8
Terminal-Bench84% best55%
GPQA Diamond94% best87%
Output speed102 t/s best64 t/s
Latency (TTFT)70.60s 1.46s best

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
GPT-5.5
via OpenAI
$55
MiniMax M2.7
via DeepInfra
$2.25

Capabilities

feature support, side by side
FeatureGPT-5.5MiniMax M2.7
Vision✓—
Tool use✓✓
Reasoning✓✓
Audio——
Prompt caching✓✓
Structured output✓✓
Web search✓—

Related comparisons

Frequently asked questions

Which is cheaper, GPT-5.5 or MiniMax M2.7?
MiniMax M2.7 is cheaper for input ($5.00 vs $0.25 per 1M tokens) from DeepInfra. MiniMax M2.7 is cheaper for output ($30.00 vs $0.55 per 1M tokens) from Pinstripes.
What is the context window difference between GPT-5.5 and MiniMax M2.7?
GPT-5.5 has a 1.1M-token context window and MiniMax M2.7 has 1M tokens, so GPT-5.5 can take a larger prompt.
How do GPT-5.5 and MiniMax M2.7 compare on benchmarks?
On the tracked benchmarks, GPT-5.5 leads on Terminal-Bench, and GPT-5.5 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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