Qwen3.5 397B A17B vs GPT-4o

At a Glance

Compare
GPT-4oOpenAI
Pricing and Limits
Input priceFrom · USD / 1M tokens$0.45Deepinfra · Sep 21, 2026$1.25Openrouter · Sep 22, 2026
Output priceFrom · USD / 1M tokens$3.00Deepinfra · Sep 21, 2026$5.00Openrouter · Sep 22, 2026
Context windowMaximum documented tokens262K128K
Model facts checkedAug 28, 2026View model evidence →Aug 29, 2026View model evidence →

Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →

Available Benchmarks

All benchmark results →
BenchmarkQwen3.5-397B-A17BGPT-4o
LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader1,438.26100% of row best · rating · qwen3.5-397b-a17b; 95% CI [1434.97391785, 1441.55191176]; votes 77007; rank 711,282.4589% of row best · rating · gpt-4o-2024-08-06; 95% CI [1278.25455133, 1286.63762056]; votes 45499; rank 254
LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · leader1,265.15100% of row best · rating · qwen3.5-397b-a17b; 95% CI [1259.44632362, 1270.86149272]; votes 27569; rank 421,064.5684% of row best · rating · gpt-4o-2024-08-06; 95% CI [1052.10383916, 1077.00692124]; votes 3376; rank 123
Overall ResultCounted from the protocol-matched rows above2 benchmark winsNo overall winner0 benchmark winsNo overall winner

Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.

Side-by-Side Facts

FieldQwen3.5-397B-A17BGPT-4o
DeveloperQwenOpenAI
FamilyQwen3 5 397b A17bGpt 4o
ModelQwen3.5-397B-A17BGPT-4o
VersionQwen3.5-397B-A17BGPT-4o
Lifecycleactiveactive
Released2026-02-15Unknown
Knowledge cutoffUnknown2023-10-01
Input modalitiesText, ImageText, Image
Output modalitiesTextText
Context window262K128K
Total parameters403.4BUnknown
Active parameters17BUnknown
Licenseapache-2.0Unknown
Open weightsYesNo
API availableYesYes
Self-hostableYesNo
Provider accessDeepinfra (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Standard)Openai (Standard), Openrouter (Standard)
Capabilitieschat, generation, reasoning, toolschat, generation, tools

Qwen3.5 397B A17B Capabilities

chatgenerationreasoningtools
Serving providers4
Canonical IDQwen/Qwen3.5-397B-A17B

GPT-4o Capabilities

chatgenerationtools
Serving providers2
Canonical IDopenai/gpt-4o

Primary Evidence

Sources and Freshness

Questions

Qwen3.5 397B A17B vs GPT-4o FAQs

Is Qwen3.5 397B A17B or GPT-4o better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Qwen3.5 397B A17B and GPT-4o, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Qwen3.5 397B A17B or GPT-4o?+

Qwen3.5 397B A17B is $0.45 and GPT-4o is $1.25 per million tokens, so Qwen3.5 397B A17B is cheaper on this metric. Qwen3.5 397B A17B is $3.00 and GPT-4o is $5.00 per million tokens, so Qwen3.5 397B A17B is cheaper on this metric.

Which has a larger context window, Qwen3.5 397B A17B or GPT-4o?+

Qwen3.5 397B A17B has the larger sourced context window. Qwen3.5 397B A17B supports 262K and GPT-4o supports 128K.

Which performs better in benchmarks, Qwen3.5 397B A17B or GPT-4o?+

There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.

Can Qwen3.5 397B A17B or GPT-4o be self-hosted?+

Qwen3.5 397B A17B is the only model in this pair currently marked as self-hostable. Qwen3.5 397B A17B is open weight; GPT-4o is not marked open weight.

Can Qwen3.5 397B A17B and GPT-4o understand images?+

Qwen3.5 397B A17B is documented with image input; GPT-4o is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Qwen3.5 397B A17B or GPT-4o?+

Neither has a larger sourced maximum output. Qwen3.5 397B A17B is — and GPT-4o is 16K.

Do Qwen3.5 397B A17B and GPT-4o support reasoning and tool use?+

Qwen3.5 397B A17B: reasoning, tool calling, and image input. GPT-4o: tool calling and image input. Feature support does not establish relative quality.

Which is available from more inference providers, Qwen3.5 397B A17B or GPT-4o?+

Qwen3.5 397B A17B has 4 sourced provider routes; GPT-4o has 2, so Qwen3.5 397B A17B has broader tracked availability.

Which offers better value, Qwen3.5 397B A17B or GPT-4o?+

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.

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