ModelsCompareBest forBenchmarksStatusPricingAPI
Compare / head-to-head

GPT-6 AstravsQwen3.5 397B-A17B

GPT-6 Astra leads 3 of 3 shared benchmarks. Qwen3.5 397B-A17B is 49.8x cheaper per token. GPT-6 Astra has the larger context window (1.1M tokens).

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

Shared benchmarks
3 – 0
GPT-6 Astra leads
Cheaper per token
Qwen3.5 397B-A17B
49.8x cheaper, input + output
Larger context
GPT-6 Astra
1.1M tokens
Provider uptime (30d)
94.2446% · —
OpenAI · Qwen
GPT-6 Astra
OpenAI · released 2026-09-03
textvision
Context
1.1M
Max out
128K
Input /1M
$10
Output /1M
$50
Cached /1M
$1
Scores
8 · 5 core
Qwen3.5 397B-A17B
Qwen · released 2026-02-15
textvision
Context
262K
Max out
Input /1M
$0.172
Output /1M
$1.03
Cached /1M
Scores
8 · 7 core
Quality

Benchmark matrix

BenchmarkGPT-6 AstraQwen3.5 397B-A17BΔEdge
Reported by both · 3
GPQA Diamond96% 88.4% +7.6 ptGPT-6 Astra
FrontierMath Tiers 1-3 v2 (Epoch AI run)93.7% epoch29.5% epoch+64.2 ptGPT-6 Astra
OTIS Mock AIME 2024-2025 (Epoch AI run)100% epoch88.9% epoch+11.1 ptGPT-6 Astra
Only GPT-6 Astra reports · 4
AutomationBench41.4% not reported
FrontierMath Tier 4 v2 (Epoch AI run)97.6% epochnot reported
SimpleQA Verified75.6% epochnot reported
Terminal-Bench Science 0.164.6% not reported
Only Qwen3.5 397B-A17B reports · 4
SWE-bench Verifiednot reported76.4%
MMLU-Pronot reported87.8%
AIME 2026not reported94.2% matharena
LMArena Elonot reported1438.3
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 GPT-6 Astra minus Qwen3.5 397B-A17B 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-6 AstraQwen3.5 397B-A17BEdge
Context window1.1M tokens262K tokensGPT-6 Astra
Max output128K tokens
Input price / 1M$10 $0.172 Qwen3.5 397B-A17B
Output price / 1M$50 $1.03 Qwen3.5 397B-A17B
Cached input / 1M$1
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$60$1.2Qwen3.5 397B-A17B
Modalitiestext · visiontext · visionTie
Released2026-09-032026-02-15
Cited benchmark scores88
Reliability

Provider status

All providers
More matchups

GPT-6 Astra vs …

More matchups

Qwen3.5 397B-A17B vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run GPT-6 Astra and Qwen3.5 397B-A17B on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.