OpenAI: gpt-oss-20b vs MiniMax: MiniMax M2: Which AI Model Is Better?

Updated March 24, 2026· Based on independent benchmark data

Quick Verdict

MiniMax: MiniMax M2 leads in intelligence with a score of 49.6 vs 24.5. OpenAI: gpt-oss-20b is 8.5x cheaper at $0.03/1M tokens vs $0.26/1M. For speed, OpenAI: gpt-oss-20b wins at 304 tok/s vs 44 tok/s.

Head-to-Head Comparison

MetricOpenAI: gpt-oss-20bMiniMax: MiniMax M2
Intelligence Score24.549.6
Coding Score18.541.9
Math Score89.3N/A
Speed (tok/s)304 tok/s44 tok/s
Latency (TTFT)0.44s2.03s
Input Price / 1M tokens$0.03$0.26
Output Price / 1M tokens$0.11$1.00
Context Window131K197K
Max Output Tokens131K197K
Input ModalitiesTextText
Output ModalitiesTextText
Free TierNoNo

Detailed Analysis

Intelligence & Quality

MiniMax: MiniMax M2 outperforms OpenAI: gpt-oss-20b on the Artificial Analysis intelligence index with a score of 49.6 compared to 24.5. For coding tasks, MiniMax: MiniMax M2 has the edge with a coding score of 41.9 vs 18.5.

Speed & Latency

OpenAI: gpt-oss-20b generates output significantly faster at 304 tok/s compared to MiniMax: MiniMax M2's 44 tok/s, making it 7.0x faster for streaming responses. Time to first token is 0.44s for OpenAI: gpt-oss-20b vs 2.03s for MiniMax: MiniMax M2, which affects perceived responsiveness in interactive applications.

Pricing

OpenAI: gpt-oss-20b is more affordable at $0.03/1M input tokens ($0.11/1M output), while MiniMax: MiniMax M2 costs $0.26/1M input ($1.00/1M output). That makes MiniMax: MiniMax M2 8.5x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, OpenAI: gpt-oss-20b would cost approximately $0.18/month vs $1.53/month for MiniMax: MiniMax M2 in input costs alone.

Context Window

MiniMax: MiniMax M2 offers a larger context window at 197K tokens compared to OpenAI: gpt-oss-20b's 131K. For output length, MiniMax: MiniMax M2 can generate up to 197K tokens per response vs 131K for OpenAI: gpt-oss-20b.

Best Use Cases

Choose OpenAI: gpt-oss-20b when you need faster output (304 tok/s), lower cost. Choose MiniMax: MiniMax M2 when you need higher intelligence (49.6), stronger coding performance (41.9).

Choose OpenAI: gpt-oss-20b if:

  • You need faster throughput (304 tok/s vs 44 tok/s)
  • You want lower latency (0.44s vs 2.03s TTFT)
  • Budget is a concern ($0.03/1M vs $0.26/1M)

Choose MiniMax: MiniMax M2 if:

  • You need higher intelligence (score: 49.6 vs 24.5)
  • You prioritize coding performance (score: 41.9 vs 18.5)

Frequently Asked Questions

Is OpenAI: gpt-oss-20b better than MiniMax: MiniMax M2 for coding?

MiniMax: MiniMax M2 scores higher on coding benchmarks (41.9 vs 18.5), making it the better choice for programming tasks.

Which is cheaper, OpenAI: gpt-oss-20b or MiniMax: MiniMax M2?

OpenAI: gpt-oss-20b is cheaper at $0.03/1M input tokens vs $0.26/1M for MiniMax: MiniMax M2.

Is OpenAI: gpt-oss-20b faster than MiniMax: MiniMax M2?

OpenAI: gpt-oss-20b is faster, producing output at 304 tok/s compared to MiniMax: MiniMax M2's 44 tok/s.

Can OpenAI: gpt-oss-20b process images?

No, OpenAI: gpt-oss-20b does not support image input. Neither model supports image input.

Which has a larger context window, OpenAI: gpt-oss-20b or MiniMax: MiniMax M2?

MiniMax: MiniMax M2 has a larger context window at 197K compared to OpenAI: gpt-oss-20b's 131K.

Should I use OpenAI: gpt-oss-20b or MiniMax: MiniMax M2?

It depends on your priorities. MiniMax: MiniMax M2 scores higher on intelligence (49.6), but OpenAI: gpt-oss-20b may be better for specific use cases like budget-conscious projects or speed-critical applications.

Related Comparisons

Benchmark data by Artificial Analysis

Data last synced: March 24, 2026

OpenAI: gpt-oss-20b vs MiniMax: MiniMax M2 2026: Benchmarks, Pricing & Speed Compared | AIToolRank