# Inkling vs Mistral Medium 3.5 128B

> Side-by-side benchmark comparison for Inkling and Mistral Medium 3.5 128B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/inkling-vs-mistral-medium-3-5-128b
- Last updated: October 14, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Inkling leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Inkling has the higher overall point estimate 52.13 to 33.58. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in knowledge, where the averages are 54.5 for Inkling and 31.9 for Mistral Medium 3.5 128B.
- The biggest single benchmark swing is GPQA Diamond (Vals) in Knowledge, with scores of 87.1% and 34.8%.
- Inkling is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Inkling also has the larger context window at 1M.

## Model Snapshot

| Property | Inkling | Mistral Medium 3.5 128B |
|----------|----------|----------|
| Creator | Thinking Machines Lab | Mistral |
| Type | Open Weight | Open Weight |
| Reasoning | Hybrid | Reasoning |
| Context | 1M | 256K |
| Overall Score | 52.13 | 33.58 |
| Benchmarks Covered | 24 | 7 |
| Pricing (input/output) | $1.87 / $4.68 | $1.50 / $7.50 |

## Category Breakdown

### Agentic

- Winner: Inkling
- Inkling public-lane score: 36.2 (Supported · #72/124)
- Mistral Medium 3.5 128B public-lane score: 19.2 (Supported · #105/124)

| Benchmark | Inkling | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 63.8% | Coming soon | Coming soon |
| BrowseComp | 77.1% | Coming soon | Coming soon |
| MCP Atlas | 74.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 47.6% | 39.0% | Inkling |
| CWE-bench v1 | 37.0% | Coming soon | Coming soon |
| τ³-bench results | Coming soon | 91.4% | Coming soon |
| Gert Labs | Coming soon | 39.10% | Coming soon |

### Coding

- Winner: Directional only
- Inkling public-lane score: 34 (Supported · #80/149)
- Mistral Medium 3.5 128B public-lane score: 23 (Estimated · #113/149)

| Benchmark | Inkling | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 77.6% | 77.6% | Tie |
| SWE-bench Pro | 54.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 63.8% | Coming soon | Coming soon |
| FrontierSWE v2 | 4.1% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 85.5% | Coming soon | Coming soon |
| SWE-bench (Vals) | 77.6% | 66.4% | Inkling |

### Reasoning

- Winner: Not comparable
- Inkling public-lane score: 79 (#14/29)
- Mistral Medium 3.5 128B public-lane score: 73.5 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Not comparable
- Inkling public-lane score: 67.5 (#35/54)
- Mistral Medium 3.5 128B public-lane score: 60.1 (Unranked · 1 rankable row)

| Benchmark | Inkling | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 73.5% | Coming soon | Coming soon |
| CharXiv | 82% | Coming soon | Coming soon |
| CharXiv w/o tools | 78.1% | Coming soon | Coming soon |

### Knowledge

- Winner: Inkling
- Inkling public-lane score: 54.5 (Supported · #62/181)
- Mistral Medium 3.5 128B public-lane score: 31.9 (Supported · #145/181)

| Benchmark | Inkling | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87.9% | Coming soon | Coming soon |
| GPQA-D | 87.9% | Coming soon | Coming soon |
| HLE | 46% | Coming soon | Coming soon |
| HLE w/o tools | 30% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 87.1% | 34.8% | Inkling |
| MMLU-Pro (Vals) | 86.3% | 75.3% | Inkling |

### Instruction Following

- Winner: Directional only
- Inkling public-lane score: 87.6 (#35/128)
- Mistral Medium 3.5 128B public-lane score: 84 (#50/128)

| Benchmark | Inkling | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 79.8% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Inkling public-lane score: 58.3 (#11/12)
- Mistral Medium 3.5 128B public-lane score: Coming soon

| Benchmark | Inkling | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 97.1% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 33.333% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 4.878% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Inkling or Mistral Medium 3.5 128B?

Inkling has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Inkling and Mistral Medium 3.5 128B?

The widest category gap is in knowledge, where the averages are 54.5 for Inkling and 31.9 for Mistral Medium 3.5 128B.

### How many benchmarks does Inkling cover on BenchLM?

Inkling currently has 24 sourced benchmark scores on BenchLM.

### How many benchmarks does Mistral Medium 3.5 128B cover on BenchLM?

Mistral Medium 3.5 128B currently has 7 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Inkling vs Inkling-Small](/compare/inkling-vs-inkling-small)
- [Mistral Medium 3.5 128B vs Inkling-Small](/compare/inkling-small-vs-mistral-medium-3-5-128b)
- [Inkling vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-inkling)
- [Mistral Medium 3.5 128B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-mistral-medium-3-5-128b)

## Explore More

- [Inkling profile](/models/inkling)
- [Mistral Medium 3.5 128B profile](/models/mistral-medium-3-5-128b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)