| Signal | gpt-oss-120b | Delta | MiMo-V2.5-Pro |
|---|---|---|---|
Capabilities | 67 | -- | |
Benchmarks | 46 | +46 | |
Pricing | 100 | +3 | |
Context window size | 81 | -14 | |
Recency | 85 | -15 | |
Output Capacity | 20 | -65 | |
| Overall Result | 2 wins | of 6 | 3 wins |
Score History
40.5
current score
gpt-oss-120b
right now
40
current score
OpenAI
Xiaomi
gpt-oss-120b saves you $236.60/month
That's $2839.20/year compared to MiMo-V2.5-Pro at your current usage level of 100K calls/month.
| Metric | gpt-oss-120b | MiMo-V2.5-Pro | Winner |
|---|---|---|---|
| Overall Score | 41 | 40 | gpt-oss-120b |
| Rank | #174 | #175 | gpt-oss-120b |
| Quality Rank | #174 | #175 | gpt-oss-120b |
| Adoption Rank | #174 | #175 | gpt-oss-120b |
| Parameters | 120B | -- | -- |
| Context Window | 131K | 1049K | MiMo-V2.5-Pro |
| Pricing | $0.04/$0.19/M | $1.00/$3.00/M | -- |
| Signal Scores | |||
| Capabilities | 67 | 67 | gpt-oss-120b |
| Benchmarks | 46 | -- | gpt-oss-120b |
| Pricing | 100 | 97 | gpt-oss-120b |
| Context window size | 81 | 96 | MiMo-V2.5-Pro |
| Recency | 85 | 100 | MiMo-V2.5-Pro |
| Output Capacity | 20 | 85 | MiMo-V2.5-Pro |
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.
Scores 41/100 (rank #174), placing it in the top 40% of all 290 models tracked.
Scores 40/100 (rank #175), placing it in the top 40% of all 290 models tracked.
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.
gpt-oss-120b offers 94% better value per quality point. At 1M tokens/day, you'd spend $3.44/month with gpt-oss-120b vs $60.00/month with MiMo-V2.5-Pro - a $56.56 monthly difference.
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.
Code generation & review
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. gpt-oss-120b also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($0.19/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (41/100) correlates with better nuance, coherence, and style in long-form content
gpt-oss-120b and MiMo-V2.5-Pro 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.
Best for Quality
gpt-oss-120b
Marginally better benchmark scores; both are excellent
Best for Cost
gpt-oss-120b
94% lower pricing; better value at scale
Best for Reliability
gpt-oss-120b
Higher uptime and faster response speeds
Best for Prototyping
gpt-oss-120b
Stronger community support and better developer experience
Best for Production
gpt-oss-120b
Wider enterprise adoption and proven at scale
by OpenAI
| Capability | gpt-oss-120b | MiMo-V2.5-Pro |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Search | ||
| Image Output |
OpenAI
Xiaomi
gpt-oss-120b saves you $5.10/month
That's 94% cheaper than MiMo-V2.5-Pro 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.
| Parameter | gpt-oss-120b | MiMo-V2.5-Pro |
|---|---|---|
| Context Window | 131K | 1.0M |
| Max Output Tokens | -- | 131,072 |
| Open Source | Yes | No |
| Created | Aug 5, 2025 | Apr 22, 2026 |