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GPT-5 Mini vs MiniMax M3.1 Flash (free)

GPT-5 Mini

OpenAI

41#181
vs
Signal-by-Signal Comparison
SignalGPT-5 MiniDeltaMiniMax M3.1 Flash (free)
Capabilities
100
+17
83
Pricing
98
-2
100
Context window size
89
-6
95
Recency
53
-47
100
Output Capacity
82
-10
91
Overall Result
1 wins
of 5
4 wins
MiniMax M3.1 Flash (free) wins 4 of 5 signals

Score History

Score History (35 data points)
GPT-5 MiniMiniMax M3.1 Flash (free)
GPT-5 Mini

40.5

current score

Leader

GPT-5 Mini

right now

MiniMax M3.1 Flash (free)

40

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

GPT-5 Mini

OpenAI

Per request$0.001250
Daily$4.17
Monthly$125.00
Annual$1500.00

MiniMax M3.1 Flash (free)

MiniMax

Best Value
Per request$0.000000
Daily$0.00
Monthly$0.00
Annual$0.00

MiniMax M3.1 Flash (free) saves you $125.00/month

That's $1500.00/year compared to GPT-5 Mini at your current usage level of 100K calls/month.

100% cheaper
Choose MiniMax M3.1 Flash (free) for cost optimization

GPT-5 Mini pricing:
Input:$0.25/M tokens
Output:$2.00/M tokens
MiniMax M3.1 Flash (free) pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Winner
GPT-5 Mini

OpenAI

41

Composite Score

MiniMax M3.1 Flash (free)

MiniMax

40

Composite Score

Signal-by-Signal Comparison
MetricGPT-5 MiniMiniMax M3.1 Flash (free)Winner
Overall Score
41
40
GPT-5 Mini
Rank#181#182
GPT-5 Mini
Quality Rank#181#182
GPT-5 Mini
Adoption Rank#181#182
GPT-5 Mini
Parameters------
Context Window400K1000K
MiniMax M3.1 Flash (free)
Pricing$0.25/$2.00/MFree--
Signal Scores
Capabilities
100
83
GPT-5 Mini
Pricing
98
100
MiniMax M3.1 Flash (free)
Context window size
89
95
MiniMax M3.1 Flash (free)
Recency
53
100
MiniMax M3.1 Flash (free)
Output Capacity
82
91
MiniMax M3.1 Flash (free)
Benchmark Head-to-Head(1 benchmarks)
GPT-5 Mini: 0MiniMax M3.1: 0
GPT-5 Mini
MiniMax M3.1
Normalized 0-100%
HLE
19.44%-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

GPT-5 MiniEntry Level

Scores 41/100 (rank #181), placing it in the top 38% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
MiniMax M3.1 Flash (free)Entry Level

Scores 40/100 (rank #182), placing it in the top 38% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 1-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose GPT-5 Mini when you need:

  • Step-by-step reasoning and chain-of-thought problem solving

Choose MiniMax M3.1 Flash (free) when you need:

  • High-volume production workloads where API costs must be minimized
  • Processing long documents or large codebases (1000K token context)
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
GPT-5 Mini
Input cost$0.25/M tokens
Output cost$2.00/M tokens
Cost per quality point$0.056
Est. monthly (1M tokens/day)$33.75
MiniMax M3.1 Flash (free)
Input cost$0.00/M tokens
Output cost$0.00/M tokens
Cost per quality point$0.000
Est. monthly (1M tokens/day)$0.00

Both models are priced similarly, so the decision comes down to quality and features rather than cost.

Latency & Speed
GPT-5 MiniFaster
Speed score0/100
MiniMax M3.1 Flash (free)
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

GPT-5 Mini

Customer support chatbot

Suitable for user-facing chat with competitive response times. MiniMax M3.1 Flash (free) also offers lower per-token costs for high-volume support

GPT-5 Mini

Long document analysis

Larger context window (1000K tokens) can process longer documents, contracts, and research papers in a single pass

MiniMax M3.1 Flash (free)

Batch data extraction

Lower output pricing ($0.00/M) reduces costs when processing thousands of records daily

MiniMax M3.1 Flash (free)

Creative writing & content

Higher overall composite score (41/100) correlates with better nuance, coherence, and style in long-form content

GPT-5 Mini

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

GPT-5 Mini
Which Should You Choose?
Our recommendation:
GPT-5 Mini

GPT-5 Mini and MiniMax M3.1 Flash (free) are extremely close in overall performance (only 0.5 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

GPT-5 Mini
Recommended

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by MiniMax

  • Choose for Cost - 100% lower pricing; better value at scale
Capability Comparison
CapabilityGPT-5 MiniMiniMax M3.1 Flash (free)
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

GPT-5 Mini

OpenAI

$2.85
estimated monthly cost

MiniMax M3.1 Flash (free)

MiniMax

Best Value
$0.000000
estimated monthly cost

MiniMax M3.1 Flash (free) saves you $2.85/month

That's 100% cheaper than GPT-5 Mini at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterGPT-5 MiniMiniMax M3.1 Flash (free)
Context Window400K1M
Max Output Tokens128,000524,288
Open SourceNoNo
CreatedAug 7, 2025Oct 19, 2026
Last updated: 46m ago

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