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Compare / head-to-head

GPT-5.1vsQwen3.6 35B-A3B

GPT-5.1 leads 2 of 2 shared benchmarks. GPT-5.1 has the larger context window (400K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
2 – 0
GPT-5.1 leads
Cheaper per token
list price, input + output
Larger context
GPT-5.1
400K tokens
Provider uptime (30d)
94.2446% · —
OpenAI · Qwen
GPT-5.1
OpenAI · released 2025-11-13
textvision
Context
400K
Max out
128K
Input /1M
$1.25
Output /1M
$10
Cached /1M
$0.125
Scores
6 · 6 core
textvision
Context
262K
Max out
Input /1M
Output /1M
Cached /1M
Scores
6 · 5 core
Quality

Benchmark matrix

BenchmarkGPT-5.1Qwen3.6 35B-A3BΔEdge
Reported by both · 2
GPQA Diamond87.6% epoch86% +1.6 ptGPT-5.1
OTIS Mock AIME 2024-2025 (Epoch AI run)88.6% epoch86.7% epoch+1.9 ptGPT-5.1
Only GPT-5.1 reports · 4
AIME 202594.2% matharenanot reported
LMArena Elo1422.6 not reported
SimpleQA Verified48% epochnot reported
SWE-bench Verified (Epoch AI run)68% epochnot reported
Only Qwen3.6 35B-A3B reports · 3
SWE-bench Verifiednot reported73.4%
MMLU-Pronot reported85.2%
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported17.5% epoch
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 GPT-5.1 minus Qwen3.6 35B-A3B 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

SpecGPT-5.1Qwen3.6 35B-A3BEdge
Context window400K tokens262K tokensGPT-5.1
Max output128K tokens
Input price / 1M$1.25
Output price / 1M$10
Cached input / 1M$0.125
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$11.25
Modalitiestext · visiontext · visionTie
Released2025-11-13
Cited benchmark scores66
Reliability

Provider status

All providers
Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run GPT-5.1 and Qwen3.6 35B-A3B on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.