Skip to content

gpt-oss-20b vs MiniMax M2-her

gpt-oss-20b

OpenAI

57#154
vs
MiniMax M2-her

MiniMax

57#156
Signal-by-Signal Comparison
Signalgpt-oss-20bDeltaMiniMax M2-her
Capabilities
67
+50
17
Benchmarks
56
-5
61
Pricing
100
+1
99
Context window size
73
+4
69
Recency
70
-30
100
Output Capacity
20
-35
55
Overall Result
3 wins
of 6
3 wins
It's a tie - both models win 3 signals each

Score History

Score History (22 data points)
gpt-oss-20bMiniMax M2-her
gpt-oss-20b

57

current score

Leader

gpt-oss-20b

right now

MiniMax M2-her

56.9

current score

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

gpt-oss-20b

OpenAI

Best Value
Per request$0.000099
Daily$0.33
Monthly$9.90
Annual$118.80

MiniMax M2-her

MiniMax

Per request$0.000900
Daily$3.00
Monthly$90.00
Annual$1080.00

gpt-oss-20b saves you $80.10/month

That's $961.20/year compared to MiniMax M2-her at your current usage level of 100K calls/month.

89% cheaper
Choose gpt-oss-20b for cost optimization

gpt-oss-20b pricing:
Input:$0.03/M tokens
Output:$0.14/M tokens
MiniMax M2-her pricing:
Input:$0.30/M tokens
Output:$1.20/M tokens
Winner
gpt-oss-20b

OpenAI

57

Composite Score

MiniMax M2-her

MiniMax

57

Composite Score

Signal-by-Signal Comparison
Metricgpt-oss-20bMiniMax M2-herWinner
Overall Score
57
57
gpt-oss-20b
Rank#154#156
gpt-oss-20b
Quality Rank#154#156
gpt-oss-20b
Adoption Rank#154#156
gpt-oss-20b
Parameters20B----
Context Window131K66K
gpt-oss-20b
Pricing$0.03/$0.14/M$0.30/$1.20/M--
Signal Scores
Capabilities
67
17
gpt-oss-20b
Benchmarks
56
61
MiniMax M2-her
Pricing
100
99
gpt-oss-20b
Context window size
73
69
gpt-oss-20b
Recency
70
100
MiniMax M2-her
Output Capacity
20
55
MiniMax M2-her
Benchmark Head-to-Head(2 benchmarks)
gpt-oss-20b: 0MiniMax M2-her: 1
gpt-oss-20b
MiniMax M2-her
Normalized 0-100%
SWE-bench Verified
-61%
Arena Elo
13171346
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-oss-20bCompetitive

Scores 57/100 (rank #154), placing it in the top 47% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
MiniMax M2-herCompetitive

Scores 57/100 (rank #156), placing it in the top 47% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-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-oss-20b when you need:

  • High-volume production workloads where API costs must be minimized
  • Processing long documents or large codebases (131K token context)
  • Agentic applications using tool/function calling
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model

Choose MiniMax M2-her when you need:

  • Budget-friendly applications with moderate quality requirements
Cost-Performance Analysis
gpt-oss-20bBest Value
Input cost$0.03/M tokens
Output cost$0.14/M tokens
Cost per quality point$0.003
Est. monthly (1M tokens/day)$2.54
MiniMax M2-her
Input cost$0.30/M tokens
Output cost$1.20/M tokens
Cost per quality point$0.026
Est. monthly (1M tokens/day)$22.50

gpt-oss-20b offers 89% better value per quality point. At 1M tokens/day, you'd spend $2.54/month with gpt-oss-20b vs $22.50/month with MiniMax M2-her - a $19.96 monthly difference.

Latency & Speed
gpt-oss-20bFaster
Speed score0/100
MiniMax M2-her
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-oss-20b

Customer support chatbot

Suitable for user-facing chat with competitive response times. gpt-oss-20b also offers lower per-token costs for high-volume support

gpt-oss-20b

Long document analysis

Larger context window (131K tokens) can process longer documents, contracts, and research papers in a single pass

gpt-oss-20b

Batch data extraction

Lower output pricing ($0.14/M) reduces costs when processing thousands of records daily

gpt-oss-20b

Creative writing & content

Higher overall composite score (57/100) correlates with better nuance, coherence, and style in long-form content

gpt-oss-20b
Which Should You Choose?
Our recommendation:
gpt-oss-20b

gpt-oss-20b and MiniMax M2-her are extremely close in overall performance (only 0.10000000000000142 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

gpt-oss-20b
Recommended

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 89% lower pricing; better value at scale
  • 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

Consider for specialized use cases.

Capability Comparison
Capabilitygpt-oss-20bMiniMax M2-her
Vision (Image Input)
Function Callingdiffers
Streaming
JSON Modediffers
Reasoningdiffers
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

gpt-oss-20b

OpenAI

Best Value
$0.2202
estimated monthly cost

MiniMax M2-her

MiniMax

$1.98
estimated monthly cost

gpt-oss-20b saves you $1.76/month

That's 89% cheaper than MiniMax M2-her 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-oss-20bMiniMax M2-her
Context Window131K66K
Max Output Tokens--2,048
Open SourceYesNo
CreatedAug 5, 2025Jan 23, 2026
Last updated: 33m ago

Related comparisons

gpt-oss-20b vs MiniMax M2-her (2026) | LM Market Cap