Compare / head-to-head
Phi-4-mini-flash-reasoningvs
Seed-OSS-36B-Instruct
Seed-OSS-36B-Instruct leads 3 of 3 shared benchmarks. Seed-OSS-36B-Instruct has the larger context window (512K tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0 – 3
Seed-OSS-36B-Instruct leads
Cheaper per token
—
list price, input + output
Larger context
Seed-OSS-36B-Instruct
512K tokens
Providers
2 providers
Microsoft · ByteDance Seed
Phi-4-mini-flash-reasoning
Microsoft · released 2025-07-09
text
- Context
- 64K
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 4 · 3 core
Seed-OSS-36B-Instruct
ByteDance Seed · released 2025-08-20
text
- Context
- 512K
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 18 · 12 core
Quality
Benchmark matrix
3 shared · 1 only Phi-4-mini-flash-reasoning · 15 only Seed-OSS-36B-Instruct| Benchmark | Phi-4-mini-flash-reasoning | Seed-OSS-36B-Instruct | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 3 | ||||
| GPQA Diamond | 45.08% ↗ | 71.5% ↗epoch run | -26.4 pt | Seed-OSS-36B-Instruct |
| AIME24 | 52.29% ↗ | 91.7% ↗ | -39.4 pt | Seed-OSS-36B-Instruct |
| AIME25 | 33.59% ↗ | 84.7% ↗ | -51.1 pt | Seed-OSS-36B-Instruct |
| Only Phi-4-mini-flash-reasoning reports · 1 | ||||
| Math500 | 92.45% ↗ | not reported | — | — |
| Only Seed-OSS-36B-Instruct reports · 15 | ||||
| MMLU | not reported | 87.4% ↗ | — | — |
| MMLU-Pro | not reported | 82.7% ↗ | — | — |
| BeyondAIME | not reported | 65% ↗ | — | — |
| Chess Puzzles (Epoch AI run) | not reported | 13% ↗epoch run | — | — |
| GPQA-D | not reported | 71.4% ↗ | — | — |
| HLE | not reported | 10.1% ↗ | — | — |
| IFEval | not reported | 85.8% ↗ | — | — |
| LiveCodeBench v6 (02/2025-05/2025) | not reported | 67.4% ↗ | — | — |
| MMMLU | not reported | 78.4% ↗ | — | — |
| Multi-SWE-Bench | not reported | 17% ↗ | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | not reported | 67.5% ↗epoch run | — | — |
| RULER (128K) | not reported | 94.6% ↗ | — | — |
| SuperGPQA | not reported | 55.7% ↗ | — | — |
| SWE-Bench Verified (OpenHands) | not reported | 56% ↗ | — | — |
| TAU1-Retail | not reported | 70.4% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Phi-4-mini-flash-reasoning minus Seed-OSS-36B-Instruct in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Phi-4-mini-flash-reasoning | Seed-OSS-36B-Instruct | Edge |
|---|---|---|---|
| Context window | 64K tokens | 512K tokens | Seed-OSS-36B-Instruct |
| Max output | — | — | — |
| Input price / 1M | — | — | — |
| Output price / 1M | — | — | — |
| Cached input / 1M | — | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | — | — |
| Modalities | text | text | Tie |
| Released | 2025-07-09 | 2025-08-20 | — |
| Cited benchmark scores | 4 | 18 | — |
Reliability
Provider status
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Which one wins on your data?
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