API cost decision in 10 seconds

🔥DeepSeek V4 Flash 0731 vs MiniMax M3 (free)

Pick MiniMax M3 (free) for lower cost; pick DeepSeek V4 Flash 0731 only if the larger context window matters more.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick MiniMax M3 (free) for lower cost; pick DeepSeek V4 Flash 0731 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, MiniMax M3 (free) is estimated at $0 vs $0.28 for DeepSeek V4 Flash 0731, saving $0.28 (100% lower).

Cost-first pickMiniMax M3 (free)
Context-first pickDeepSeek V4 Flash 0731
Sample savings$0.28100%
10x traffic gap$2.8

DeepSeek V4 Flash 0731 has more context, but MiniMax M3 (free) saves $0.28 on the standard workload. At 10x that traffic, the same price gap is about $2.8. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

MiniMax M3 (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickDeepSeek V4 Flash 0731MiniMax M3 (free)
Input-heavy / RAG5M input + 500K outputMiniMax M3 (free)$0.84$0
Balanced workload1M input + 1M outputMiniMax M3 (free)$0.42$0
Output-heavy chatbot1M input + 5M outputMiniMax M3 (free)$1.54$0
Cheaper input MiniMax M3 (free) $0.14 vs $0 / 1M

MiniMax M3 (free) is free for input tokens while DeepSeek V4 Flash 0731 costs $0.14 per 1M tokens.

Cheaper output MiniMax M3 (free) $0.28 vs $0 / 1M

MiniMax M3 (free) is free for output tokens while DeepSeek V4 Flash 0731 costs $0.28 per 1M tokens.

Larger context DeepSeek V4 Flash 0731 1.31M vs 1.05M

DeepSeek V4 Flash 0731 has 262.14K more context (1.25x larger).

Sample workload MiniMax M3 (free) $0.28 vs $0

MiniMax M3 (free) is free for the standard workload while the other model is estimated at $0.28.

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
DeepSeek V4 Flash 0731 Calculating… Estimated API cost
MiniMax M3 (free) Calculating… Estimated API cost
Cheaper for this workload Calculating… 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 M3 (free) has the lower input price; MiniMax M3 (free) has the lower output price; DeepSeek V4 Flash 0731 offers the larger context window. For the 1M input plus 500K output sample, MiniMax M3 (free) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.28 for DeepSeek V4 Flash 0731 and $0 for MiniMax M3 (free).

Best Fit

Choose DeepSeek V4 Flash 0731 when you care most about larger context window.

Choose MiniMax M3 (free) when you care most about lower input-token price, and lower output-token price.

Decision Notes
  • On the standard 1M input plus 500K output workload, MiniMax M3 (free) is estimated at $0 vs $0.28 for DeepSeek V4 Flash 0731, saving $0.28 (100% lower).
  • MiniMax M3 (free) is free for the standard workload while the other model is estimated at $0.28.
  • MiniMax M3 (free) is free for input tokens while DeepSeek V4 Flash 0731 costs $0.14 per 1M tokens.
  • MiniMax M3 (free) is free for output tokens while DeepSeek V4 Flash 0731 costs $0.28 per 1M tokens.
  • DeepSeek V4 Flash 0731 has 262.14K more context (1.25x larger).
Head-to-Head Specs
Feature🔥DeepSeek V4 Flash 0731
(DeepSeek)
MiniMax M3 (free)
(MiniMax)
Input Price
prompt tokens per 1M
$0.14$0
Completion Price
per 1M tokens
$0.28$0
Sample Workload Cost
1M input + 500K output
$0.28$0
Context Window1.31M1.05M
Release Date
Popularity#2

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionMiniMax M3 (free)On the standard 1M input plus 500K output workload, MiniMax M3 (free) is estimated at $0 vs $0.28 for DeepSeek V4 Flash 0731, saving $0.28 (100% lower).
High-volume input processingMiniMax M3 (free)Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsMiniMax M3 (free)Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workDeepSeek V4 Flash 0731A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
Larger context near this budget
  • No larger-context model is currently tracked within a close sample-cost band.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

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DeepSeek catalog

Review all tracked DeepSeek models before deciding whether this matchup is the right shortlist.

Open DeepSeek models

MiniMax catalog

Check other MiniMax models with comparable pricing, context, or release timing.

Open MiniMax models
DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows....

MiniMax M3 (free)

MiniMax-M3 is a multimodal foundation model from MiniMax. It supports text, image, and video inputs with text output, a 1M-token context window, and is suited for long-horizon agentic work, coding,...