API cost decision in 10 seconds

GPT-5.5 Pro vs 🔥MiniMax M2.7

Pick MiniMax M2.7 for lower cost; pick GPT-5.5 Pro only if the larger context window matters more.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick MiniMax M2.7 for lower cost; pick GPT-5.5 Pro only if the larger context window matters more.

On the standard 1M input plus 500K output workload, MiniMax M2.7 is estimated at $0.88 vs $120 for GPT-5.5 Pro, saving $119.12 (99.3% lower).

Cost-first pickMiniMax M2.7
Context-first pickGPT-5.5 Pro
Sample savings$119.1299.3%
10x traffic gap$1191.21

GPT-5.5 Pro has more context, but MiniMax M2.7 saves $119.12 on the standard workload. At 10x that traffic, the same price gap is about $1191.21. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

MiniMax M2.7 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGPT-5.5 ProMiniMax M2.7
Input-heavy / RAG 5M input + 500K output MiniMax M2.7 $240 $2
Balanced workload 1M input + 1M output MiniMax M2.7 $210 $1.48
Output-heavy chatbot 1M input + 5M output MiniMax M2.7 $930 $6.28
Cheaper inputMiniMax M2.7$30 vs $0.28 / 1M
Cheaper outputMiniMax M2.7$180 vs $1.2 / 1M
Larger contextGPT-5.5 Pro1.05M vs 204.8K
Sample workloadMiniMax M2.7$120 vs $0.88

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
GPT-5.5 ProCalculating…Estimated API cost
MiniMax M2.7Calculating…Estimated API cost
Cheaper for this workloadCalculating…Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

MiniMax M2.7 has the lower input price, MiniMax M2.7 has the lower output price, and GPT-5.5 Pro offers the larger context window.

For a 1M input token plus 500K output token workload, the estimated API cost is $120 for GPT-5.5 Pro and $0.88 for MiniMax M2.7.

Best Fit

Choose GPT-5.5 Pro when you care most about larger context window.

Choose MiniMax M2.7 when you care most about lower input-token price, and lower output-token price.

Head-to-Head Specs
FeatureGPT-5.5 Pro
(OpenAI)		🔥MiniMax M2.7
(MiniMax)
Input Price
prompt tokens per 1M		$30$0.28
Completion Price
per 1M tokens		$180$1.2
Sample Workload Cost
1M input + 500K output		$120$0.88
Context Window1.05M204.8K
Release Date2026-04-242026-03-18
Popularity#14
GPT-5.5 Pro

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...

MiniMax M2.7

MiniMax-M2.7 is a next-generation large language model designed for autonomous, real-world productivity and continuous improvement. Built to actively participate in its own evolution, M2.7 integrates advanced agentic capabilities through multi-agent...

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionMiniMax M2.7On the standard 1M input plus 500K output workload, MiniMax M2.7 is estimated at $0.88 vs $120 for GPT-5.5 Pro, saving $119.12 (99.3% lower).
High-volume input processingMiniMax M2.7Lower prompt-token price matters most when prompts or retrieved passages dominate the bill.
Long responses and chatbotsMiniMax M2.7Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGPT-5.5 ProA larger context window leaves more room for retrieved passages and source files.