# Mellum2-12B-A2.5B-Thinking vs Pokee-Isaac 28B

> Side-by-side benchmark comparison for Mellum2-12B-A2.5B-Thinking and Pokee-Isaac 28B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/mellum2-12b-a2-5b-thinking-vs-pokee-isaac-28b
- Last updated: September 18, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Mellum2-12B-A2.5B-Thinking and Pokee-Isaac 28B share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Pokee-Isaac 28B has the larger published context window at 10M.

## Model Snapshot

| Property | Mellum2-12B-A2.5B-Thinking | Pokee-Isaac 28B |
|----------|----------|----------|
| Creator | JetBrains | Pokee AI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 10M |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 6 | 7 |
| Pricing (input/output) | N/A | $0.15 / $1.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Mellum2-12B-A2.5B-Thinking public-lane score: 46.3 (Estimated · #81/154)
- Pokee-Isaac 28B public-lane score: 49.6 (Estimated · #62/154)

| Benchmark | Mellum2-12B-A2.5B-Thinking | Pokee-Isaac 28B | Winner |
|-----------|-----------|-----------|--------|
| BFCL v4 | 45.6% | 70.9% | Pokee-Isaac 28B |
| Terminal-Bench 2.1 | Coming soon | 65.1% | Coming soon |
| τ³-bench results | Coming soon | 66.2% | Coming soon |
| MCP-Atlas claim coverage | Coming soon | 74.6% | Coming soon |
| PinchBench | Coming soon | 95.7% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Mellum2-12B-A2.5B-Thinking public-lane score: Coming soon
- Pokee-Isaac 28B public-lane score: Coming soon

| Benchmark | Mellum2-12B-A2.5B-Thinking | Pokee-Isaac 28B | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 69.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 65.1% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Mellum2-12B-A2.5B-Thinking public-lane score: Coming soon
- Pokee-Isaac 28B public-lane score: 38.6 (Unranked · 1 rankable row)

| Benchmark | Mellum2-12B-A2.5B-Thinking | Pokee-Isaac 28B | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | Coming soon | 60.7% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Mellum2-12B-A2.5B-Thinking public-lane score: 46.8 (Estimated · #103/184)
- Pokee-Isaac 28B public-lane score: Coming soon

| Benchmark | Mellum2-12B-A2.5B-Thinking | Pokee-Isaac 28B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Redux | 86.2% | Coming soon | Coming soon |
| GPQA | 57.6% | Coming soon | Coming soon |
| GPQA-D | 57.6% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Mellum2-12B-A2.5B-Thinking public-lane score: Coming soon
- Pokee-Isaac 28B public-lane score: Coming soon

| Benchmark | Mellum2-12B-A2.5B-Thinking | Pokee-Isaac 28B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 76.5% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Mellum2-12B-A2.5B-Thinking and Pokee-Isaac 28B?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Mellum2-12B-A2.5B-Thinking vs Mellum2-12B-A2.5B-Instruct](/compare/mellum2-12b-a2-5b-instruct-vs-mellum2-12b-a2-5b-thinking)
- [Pokee-Isaac 28B vs Mellum2-12B-A2.5B-Instruct](/compare/mellum2-12b-a2-5b-instruct-vs-pokee-isaac-28b)
- [Mellum2-12B-A2.5B-Thinking vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-mellum2-12b-a2-5b-thinking)
- [Pokee-Isaac 28B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-pokee-isaac-28b)

## Explore More

- [Mellum2-12B-A2.5B-Thinking profile](/models/mellum2-12b-a2-5b-thinking)
- [Pokee-Isaac 28B profile](/models/pokee-isaac-28b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)