| Signal | Mistral Large 3 2512 | Delta | Step 3.5 Flash |
|---|---|---|---|
Capabilities | 67 | -- | |
Benchmarks | 68 | +2 | |
Pricing | 99 | -1 | |
Context window size | 77 | -- | |
Recency | 99 | -1 | |
Output Capacity | 20 | -50 | |
| Overall Result | 1 wins | of 6 | 3 wins |
Score History
66.6
current score
Tied
right now
66.6
current score
Mistral AI
StepFun
Step 3.5 Flash saves you $101.00/month
That's $1212.00/year compared to Mistral Large 3 2512 at your current usage level of 100K calls/month.
| Metric | Mistral Large 3 2512 | Step 3.5 Flash | Winner |
|---|---|---|---|
| Overall Score | 67 | 67 | -- |
| Rank | #113 | #112 | Step 3.5 Flash |
| Quality Rank | #113 | #112 | Step 3.5 Flash |
| Adoption Rank | #113 | #112 | Step 3.5 Flash |
| Parameters | -- | -- | -- |
| Context Window | 262K | 262K | -- |
| Pricing | $0.50/$1.50/M | $0.09/$0.30/M | -- |
| Signal Scores | |||
| Capabilities | 67 | 67 | Mistral Large 3 2512 |
| Benchmarks | 68 | 66 | Mistral Large 3 2512 |
| Pricing | 99 | 100 | Step 3.5 Flash |
| Context window size | 77 | 77 | Mistral Large 3 2512 |
| Recency | 99 | 100 | Step 3.5 Flash |
| Output Capacity | 20 | 70 | Step 3.5 Flash |
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 67/100 (rank #113), placing it in the top 61% of all 290 models tracked.
Scores 67/100 (rank #112), placing it in the top 62% of all 290 models tracked.
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.
Step 3.5 Flash offers 81% better value per quality point. At 1M tokens/day, you'd spend $5.85/month with Step 3.5 Flash vs $30.00/month with Mistral Large 3 2512 - a $24.15 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. Step 3.5 Flash also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (262K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($0.30/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (67/100) 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
Mistral Large 3 2512 and Step 3.5 Flash are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.
Best for Quality
Mistral Large 3 2512
Marginally better benchmark scores; both are excellent
Best for Cost
Step 3.5 Flash
81% lower pricing; better value at scale
Best for Reliability
Mistral Large 3 2512
Higher uptime and faster response speeds
Best for Prototyping
Mistral Large 3 2512
Stronger community support and better developer experience
Best for Production
Mistral Large 3 2512
Wider enterprise adoption and proven at scale
by Mistral AI
| Capability | Mistral Large 3 2512 | Step 3.5 Flash |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoningdiffers | ||
| Web Search | ||
| Image Output |
Mistral AI
StepFun
Step 3.5 Flash saves you $2.18/month
That's 81% cheaper than Mistral Large 3 2512 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 | Mistral Large 3 2512 | Step 3.5 Flash |
|---|---|---|
| Context Window | 262K | 262K |
| Max Output Tokens | -- | 16,384 |
| Open Source | No | Yes |
| Created | Dec 1, 2025 | Jan 29, 2026 |