# Claude Opus 4.5 Thinking vs Decision 2B (FlyMy.AI, v59)

> Side-by-side benchmark comparison for Claude Opus 4.5 Thinking and Decision 2B (FlyMy.AI, v59) across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-5-thinking-vs-jevbench-decision-2b
- Last updated: September 30, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Claude Opus 4.5 Thinking and Decision 2B (FlyMy.AI, v59).

## Summary

- Claude Opus 4.5 Thinking and Decision 2B (FlyMy.AI, v59) do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Claude Opus 4.5 Thinking | Decision 2B (FlyMy.AI, v59) |
|----------|----------|----------|
| Creator | Anthropic | FlyMy.AI (@denti) |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 200K | null |
| Independent public score (not head-to-head) | 55.64 | null |
| Benchmarks Covered | 1 | 2 |
| Pricing (input/output) | N/A | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- Claude Opus 4.5 Thinking public-lane score: Coming soon
- Decision 2B (FlyMy.AI, v59) public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 Thinking | Decision 2B (FlyMy.AI, v59) | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 20.63% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Opus 4.5 Thinking public-lane score: 75.5 (Unranked · 2 rankable rows)
- Decision 2B (FlyMy.AI, v59) public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 Thinking | Decision 2B (FlyMy.AI, v59) | Winner |
|-----------|-----------|-----------|--------|
| JevBench 1.4 | Coming soon | 35.80 | Coming soon |
| JevBench 1.5 | Coming soon | 22.52 | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Opus 4.5 Thinking public-lane score: 70.1 (Unranked · 1 rankable row)
- Decision 2B (FlyMy.AI, v59) public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Claude Opus 4.5 Thinking public-lane score: 54.4 (Estimated · #51/170)
- Decision 2B (FlyMy.AI, v59) public-lane score: Coming soon

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Opus 4.5 Thinking public-lane score: 68.5 (#66/124)
- Decision 2B (FlyMy.AI, v59) public-lane score: Coming soon

## FAQ

### Can I compare Claude Opus 4.5 Thinking and Decision 2B (FlyMy.AI, v59) on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Claude Opus 4.5 Thinking vs Claude Opus 4.5](/compare/claude-opus-4-5-vs-claude-opus-4-5-thinking)
- [Decision 2B (FlyMy.AI, v59) vs Claude Opus 4.5](/compare/claude-opus-4-5-vs-jevbench-decision-2b)
- [Claude Opus 4.5 Thinking vs GPT-6 Astra](/compare/claude-opus-4-5-thinking-vs-gpt-6-astra)
- [Decision 2B (FlyMy.AI, v59) vs GPT-6 Astra](/compare/gpt-6-astra-vs-jevbench-decision-2b)

## Explore More

- [Claude Opus 4.5 Thinking profile](/models/claude-opus-4-5-thinking)
- [Decision 2B (FlyMy.AI, v59) profile](/models/jevbench-decision-2b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)