| Signal | gpt-oss-120b | Delta | Mistral Medium 3.1 |
|---|---|---|---|
Capabilities | 67 | -- | |
Benchmarks | 61 | +61 | |
Pricing | 0 | -2 | |
Context window size | 81 | -- | |
Recency | 92 | -1 | |
Output Capacity | 20 | -- | |
| Overall Result | 1 wins | of 6 | 2 wins |
3
days ranked higher
1
days
26
days ranked higher
OpenAI
Mistral AI
gpt-oss-120b saves you $126.60/month
That's $1519.20/year compared to Mistral Medium 3.1 at your current usage level of 100K calls/month.
| Metric | gpt-oss-120b | Mistral Medium 3.1 | Winner |
|---|---|---|---|
| Overall Score | 68 | 71 | Mistral Medium 3.1 |
| Rank | #166 | #148 | Mistral Medium 3.1 |
| Quality Rank | #166 | #148 | Mistral Medium 3.1 |
| Adoption Rank | #166 | #148 | Mistral Medium 3.1 |
| Parameters | 120B | -- | -- |
| Context Window | 131K | 131K | -- |
| Pricing | $0.04/$0.19/M | $0.40/$2.00/M | -- |
| Signal Scores | |||
| Capabilities | 67 | 67 | gpt-oss-120b |
| Benchmarks | 61 | -- | gpt-oss-120b |
| Pricing | 0 | 2 | Mistral Medium 3.1 |
| Context window size | 81 | 81 | gpt-oss-120b |
| Recency | 92 | 93 | Mistral Medium 3.1 |
| Output Capacity | 20 | 20 | gpt-oss-120b |
Our composite score (0–100) combines six weighted signals: benchmark performance (25%), pricing efficiency (25%), context window size (15%), model recency (15%), output capacity (10%), and capability versatility (10%). Here's what the scores mean for these two models:
Scores 68/100 (rank #166), placing it in the top 43% of all 290 models tracked.
Scores 71/100 (rank #148), placing it in the top 49% of all 290 models tracked.
With only a 3-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 90% better value per quality point. At 1M tokens/day, you'd spend $3.44/month with gpt-oss-120b vs $36.00/month with Mistral Medium 3.1 - a $32.56 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
Higher benchmark score (0/100) indicates stronger performance on coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Faster response time (speed score 0/100) is critical for user-facing chat. gpt-oss-120b also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (131K 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 (71/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
gpt-oss-120b and Mistral Medium 3.1 are extremely close in overall performance (only 2.799999999999997 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
90% 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 | Mistral Medium 3.1 |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoningdiffers | ||
| Web Search | ||
| Image Output |
OpenAI
Mistral AI
gpt-oss-120b saves you $2.82/month
That's 90% cheaper than Mistral Medium 3.1 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 | Mistral Medium 3.1 |
|---|---|---|
| Context Window | 131K | 131K |
| Max Output Tokens | -- | -- |
| Open Source | Yes | No |
| Created | Aug 5, 2025 | Aug 13, 2025 |
Mistral Medium 3.1 scores 71/100 (rank #148) compared to gpt-oss-120b's 68/100 (rank #166), giving it a 3-point advantage. Mistral Medium 3.1 is the stronger overall choice, though gpt-oss-120b may excel in specific areas like cost efficiency.
gpt-oss-120b is ranked #166 and Mistral Medium 3.1 is ranked #148 out of 290+ AI models. Rankings use a composite score combining benchmark performance (25%), pricing (25%), context window (15%), recency (15%), output capacity (10%), and versatility (10%). Scores update hourly.
gpt-oss-120b is cheaper at $0.19/M output tokens vs Mistral Medium 3.1's $2.00/M output tokens - 10.5x more expensive. Input token pricing: gpt-oss-120b at $0.04/M vs Mistral Medium 3.1 at $0.40/M.
gpt-oss-120b has a larger context window of 131,072 tokens compared to Mistral Medium 3.1's 131,072 tokens. A larger context window means the model can process longer documents and conversations.