Compare / head-to-head
Grok 4.20 Multi-AgentvsSolar Open 2 250B-A15B
Grok 4.20 Multi-Agent and Solar Open 2 250B-A15B do not yet share a public benchmark, so quality cannot be compared apples-to-apples. Both offer a 1M-token context window.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0
no overlap yet
Cheaper per token
—
list price, input + output
Larger context
Tie
both 1M tokens
Provider uptime (30d)
— · —
xAI · Upstage
Grok 4.20 Multi-Agent
xAI · released 2026-03-09
textvision
Solar Open 2 250B-A15B
Upstage · released 2026-07-24
text
- Context
- 1M
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 16 · 5 core
Quality
Benchmark matrix
0 shared · 0 only Grok 4.20 Multi-Agent · 16 only Solar Open 2 250B-A15B| Benchmark | Grok 4.20 Multi-Agent | Solar Open 2 250B-A15B | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 0 | ||||
| No public benchmark is reported for both models yet. | ||||
| Only Grok 4.20 Multi-Agent reports · 0 | ||||
| Grok 4.20 Multi-Agent reports nothing Solar Open 2 250B-A15B does not. | ||||
| Only Solar Open 2 250B-A15B reports · 16 | ||||
| SWE-bench Verified | not reported | 70.4% ↗ | — | — |
| GPQA Diamond | not reported | 86.3% ↗ | — | — |
| MMLU-Pro | not reported | 86.2% ↗ | — | — |
| AIME 2026 | not reported | 95.7% ↗ | — | — |
| Humanity's Last Exam (no tools) | not reported | 28.8% ↗ | — | — |
| AA-LCR | not reported | 62.3% ↗ | — | — |
| APEX-Agents | not reported | 16.6% ↗ | — | — |
| ArtifactsBench | not reported | 55.9% ↗ | — | — |
| GDPval-AA v2 | not reported | 1128 ↗ | — | — |
| HMMT 2026-02 | not reported | 93.9% ↗ | — | — |
| IFBench | not reported | 80% ↗ | — | — |
| LiveCodeBench v6 | not reported | 92.4% ↗ | — | — |
| MCP Atlas | not reported | 58.2% ↗ | — | — |
| Multi-Challenge | not reported | 61% ↗ | — | — |
| Tau3-Bench (banking) | not reported | 19.6% ↗ | — | — |
| Terminal Bench Hard | not reported | 28.3% ↗ | — | — |
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 Grok 4.20 Multi-Agent minus Solar Open 2 250B-A15B 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 | Grok 4.20 Multi-Agent | Solar Open 2 250B-A15B | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1M tokens | Tie |
| Max output | — | — | — |
| Input price / 1M | $1.25 ↗ | — | — |
| Output price / 1M | $2.5 ↗ | — | — |
| Cached input / 1M | $0.2 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $3.75 | — | — |
| Modalities | text · vision | text | Grok 4.20 Multi-Agent |
| Released | 2026-03-09 | 2026-07-24 | — |
| Cited benchmark scores | 0 | 16 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
Solar Open 2 250B-A15B vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Grok 4.20 Multi-Agent and Solar Open 2 250B-A15B on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.