Confirm Action

Are you sure you want to proceed?

Independent model comparison

GPT-5.6 Sol vs Qwen3.5 Plus 2026-02-15: evidence side by side

Compare the models using only evidence that can be identified and attributed. Exact benchmark matches appear first; independent facts and user reports remain separate and do not create an overall ranking.

Exact comparison coverage

1 benchmark record share an exact reviewed comparison key.

Evidence strength

Limited exact coverage

The page is useful for inspection but does not yet contain enough pair-native evidence for Search publication.

Models at a glance

Key differences

Detail GPT-5.6 Sol Qwen3.5 Plus 2026-02-15
Provider

OpenAI

Alibaba

Release date Shown only where an exact reviewed release date is available.

2026-07-09

Not verified

Input price Artificial Analysis operational reference; see the attributed details below.

$5.00 / 1M tokens

Not verified

Output price Artificial Analysis operational reference; see the attributed details below.

$30.00 / 1M tokens

Not verified

Median output speed Artificial Analysis operational reference; see the attributed details below.

55.9 tok/s

Not verified

Exact benchmark coverage Only records carrying the same reviewed comparison identity are counted.

1 shared record

1 shared record

Price and speed appear only when an exact reviewed operational reference is attached to that model identity.

Primary comparison evidence

Exact matched benchmark evidence

1 exact match

A shared benchmark name is not enough. A result appears side by side only when both model records carry the same reviewed comparison key. Duplicate or unversioned records are omitted rather than guessed into alignment.

ROASBench

A 12-month performance-marketing simulation scored on business outcomes, planning, behavior, and persona fit.

GPT-5.6 Sol

4 configurations

Average ROASBench score

Configuration: 4 configurations compared separately

Spring Prompt · Reviewed public-catalogue SQLite projection · 12-month simulation

Qwen3.5 Plus 2026-02-15

26.07

Average ROASBench score

Configuration: Qwen: Qwen3.5 Plus 2026-02-15

Spring Prompt · Reviewed public-catalogue SQLite projection · 12-month simulation

Secondary context · not head-to-head

Independent signals for each model

The sources below evaluated or discussed each model independently. Putting them in adjacent columns makes them easier to inspect, but it does not make their metrics, samples, or observations directly comparable.

Attributed third-party facts

Artificial Analysis details

These facts retain their source, date, protocol, and model identity. They are contextual model-level signals—not a Spring Prompt overall score.

GPT-5.6 Sol

Input price

$5.00 / 1M tokens

Representative configuration on the cited source page.

Artificial Analysis · as of 16 Jul 2026

Output price

$30.00 / 1M tokens

Representative configuration on the cited source page.

Artificial Analysis · as of 16 Jul 2026

Median output speed

55.9 tok/s

Median output tokens received per second after generation begins; this excludes time to first token and is not end-to-end response latency.

Artificial Analysis · as of 16 Jul 2026

Qwen3.5 Plus 2026-02-15

No reviewed Artificial Analysis record is attached to this model snapshot.

Anecdotal model-level reports

Initial community opinions from Reddit

Recurring themes from each model's declared observation window. They are not a representative survey and are not direct comparisons between these models.

GPT-5.6 Sol

Initial community opinions

The search-indexed launch-window sample highlighted GPT-5.6 Sol's autonomous code review, broad bug discovery, project comprehension, and promising frontend output. Counter-reports focused on heavy quota use, slow execution, overengineering, guardrail interference, rollout friction, and occasional basic mistakes. Strong initial results therefore sat alongside unresolved cost and consistency concerns.

Source venue: Reddit · window: 2026-07-09 to 2026-07-23 · observed items: 4

Qwen3.5 Plus 2026-02-15

No editor-reviewed Reddit opinions paragraph is active for this model snapshot.

Independent early-test reports

Early technical field tests from X

Editor-paraphrased reports from independent authors in each model's fixed 14-day launch window. These selectively surfaced anecdotes are not direct head-to-head tests unless they also appear in the dedicated direct-report section above.

GPT-5.6 Sol

No editor-reviewed X field-test paragraph is active for this model snapshot.

Qwen3.5 Plus 2026-02-15

Early technical field tests

Early Qwen3.5 Plus reports diverged by workflow. One builder used it through a coding plan to extend an open-source, multi-speaker text-to-speech project and shared the resulting repository and video. Another intensive user found both the native CLI and an OpenCode configuration materially weaker at understanding and tool use than a Claude Code baseline. The launch-window evidence points to practical build capability with uneven agent reliability across harnesses.

Source venue: X · window: 2026-02-16 to 2026-03-02 · 2 tests · 2 independent authors · 2 with a method or artifact · identity reviewed

X field tests remain separate from Reddit community opinions, Artificial Analysis facts, and every scored benchmark.

How to read this comparison

Spring Prompt does not name an overall winner from unrelated benchmark scores, third-party metrics, Reddit opinions, or X field-test reports.

Different benchmarks measure different constructs and may use different populations, prompts, harnesses, model revisions, tools, and score scales. This page does not average those values or infer a winner from source coverage. Test both models on your own production work before making a consequential choice.