Model comparison · accepted catalogue facts 2026-09-23

Gemini 3.7 Flash vs GPT-5.6 Sol

A quality score or a computable price is missing. This pair has no better-and-cheaper verdict.

Operator-requested comparison: “gpt 5.6 sol vs gemini 3.7 flash” · 2026-08-31

Gemini 3.7 Flash

LMArena general · Elo · higher is better

Scale starts at 1040 Elo

1490.5

Balanced effective USD / 1M tokens · lower is better

Unknown

GPT-5.6 Sol

LMArena general · Elo · higher is better

Scale starts at 1040 Elo

1455.1

Balanced effective USD / 1M tokens · lower is better

$4.00/M

Compare · model decision

Choose two or three models

Inspect the differences, estimate your workload and keep the evidence. All standard catalogue models are available, including unrated ones.

Catalogue facts
2026-09-23

A · Current or starting modelB · Comparison modelC · Optional third model

2 / 3 selected · 0 requirements

Open public comparison link

Public workload and requirements

These settings are included in the share link. The fixed-request scenario and private evaluation data below are excluded.

Workload Public prompt length (tokens) Required context (tokens) Required output limit (tokens) Required input modality

Tool useReasoningOpen weights

A ↔ B

A quality score or a computable price is missing. This pair has no better-and-cheaper verdict.

Estimated blend: 75% input, 25% output; 0% cached input. Base context tier. Prompt length selects the billing tier. An unlisted cache-read rate uses that tier’s full input rate in this blend; missing required input or output rates prevent an estimate. The fixed-request estimate below validates actual context and output limits and requires a published cache-read rate when cache hits are assumed.

What changes between these models

Quality first, then estimated price. LMArena scores are human-preference measurements, not a benchmark of your application. A missing score is unrated.

Gemini 3.7 Flash · Meets the stated model requirements
GPT-5.6 Sol · Meets the stated model requirements

Material differences and unknown evidence. Deltas compare each model with model A. Unknown facts remain visible.
Measured fact	A Gemini 3.7 Flash	B GPT-5.6 Sol
LMArena general score (Elo)	1,490.5	1,455.1Δ vs A: -35.4 Elo
Score interval half-width (± Elo)	8.18	4.88Δ vs A: -3.3 Elo
Benchmark reasoning effort	high	xhigh
LMArena document score (Elo)	Unknown	1,482.7
Estimated effective USD / 1M tokens	Unknown	$4
Base input USD / 1M tokens	$0.75	$2Δ vs A: +1.25 USD/M
Base output USD / 1M tokens	$3.75	$10Δ vs A: +6.25 USD/M
Base cached-input USD / 1M tokens	$0.075	$0.2Δ vs A: +0.125 USD/M
Context window (tokens)	1,048,576	1,050,000Δ vs A: +1,424 tokens
Output limit (tokens)	65,536	128,000Δ vs A: +62,464 tokens
Input modalities	text, image, video, file, audio	file, image, text
Model provider	Google	OpenAI
Distinct sellers in the catalogue	1	3Δ vs A: +2
Recorded retirement date	Unknown	Unknown

6 shared measured facts

Shared measured facts. Deltas compare each model with model A. Unknown facts remain visible.
Measured fact	A Gemini 3.7 Flash	B GPT-5.6 Sol
Tool use	Supported	SupportedΔ vs A: 0
Reasoning	Supported	SupportedΔ vs A: 0
Open weights	Not supported	Not supportedΔ vs A: 0
Recorded licence	proprietary	proprietary
Serving precision differs across offers	Not supported	Not supportedΔ vs A: 0
Retirement evidence	None announced; not a guarantee	None announced; not a guarantee

Provider counts and precision flags describe catalogue offers. They do not establish the precision, availability, region, tool behaviour or limits of your chosen endpoint. Open each model’s provider table before switching.

Complete price ladders and billing conditions

Gemini 3.7 Flash

Estimate unavailable: Separately billed reasoning tokens are not part of this token blend.

Separate reasoning: $3.75/1M tokens; reasoning-token counts are not modelled here. Rates below are USD per 1M tokens. A threshold selects that whole input/output rate pair.

Input-token threshold	Input	Output	Cached input
Base, up to and including first threshold	$0.75	$3.75	$0.075

GPT-5.6 Sol

Rates below are USD per 1M tokens. A threshold selects that whole input/output rate pair.

Input-token threshold	Input	Output	Cached input
Base, up to and including first threshold	$2	$10	$0.2
> 272,000	$4	$15	$0.4

Migration preflight · compare each candidate with model A

Keeping Gemini 3.7 Flash is a valid decision. No pairwise comparison certifies a drop-in replacement.

Gemini 3.7 Flash → GPT-5.6 Sol

Known loss or failed requirement

video input is not supported by the candidate.
audio input is not supported by the candidate.
Provider endpoint, serving precision, availability and task success need your own verification. Catalogue model capabilities do not certify an endpoint.

Check alternatives to Gemini 3.7 Flash

Estimate a fixed request shape

Private to this tab unless you save locally or explicitly export private details. These are estimates, not observed invoices. Cross-model token counts and task success are assumptions.

Requests Input tokens per request Output tokens per request Cached share of input (%) Extra attempts per request

0.1 extra attempts means 10 extra full attempts per 100 requests. Cache writes, tool charges, taxes and unlisted charges are excluded.

Gemini 3.7 FlashEstimated total: unknown Separately billed reasoning tokens are not part of this request shape.
GPT-5.6 SolEstimated total: $9 1,000 full attempts · base rates

Prompt and output sensitivity · sampled scenarios

Every point recalculates the entire request shape. Tier-boundary samples include one token below, at and above each threshold. Ordering between samples is not guaranteed. Lowest known cost excludes unknown estimates and is not a replacement recommendation.

Vary input; hold output, requests, cache and retries fixed.
Input tokens	Gemini 3.7 Flash	GPT-5.6 Sol	Coverage
2,000	unknownSeparately billed reasoning tokens are not part of this request shape.	$9Lowest known	Incomplete
4,096	unknownSeparately billed reasoning tokens are not part of this request shape.	$13.192Lowest known	Incomplete
32,768	unknownSeparately billed reasoning tokens are not part of this request shape.	$70.536Lowest known	Incomplete
131,072	unknownSeparately billed reasoning tokens are not part of this request shape.	$267.144Lowest known	Incomplete
271,999	unknownSeparately billed reasoning tokens are not part of this request shape.	$548.998Lowest known	Incomplete
272,000	unknownSeparately billed reasoning tokens are not part of this request shape.	$549Lowest known	Incomplete
272,001	unknownSeparately billed reasoning tokens are not part of this request shape.	$1,095.504Lowest known	Incomplete

Vary output; hold input, requests, cache and retries fixed.
Output tokens	Gemini 3.7 Flash	GPT-5.6 Sol
128	unknownSeparately billed reasoning tokens are not part of this request shape.	$5.28
2,048	unknownSeparately billed reasoning tokens are not part of this request shape.	$24.48
8,192	unknownSeparately billed reasoning tokens are not part of this request shape.	$85.92

Bring your observed evaluation results

JSON is parsed locally. Prompts, filenames, individual responses and extra fields are not retained. Import only aggregate measurements for selected models. Task/version labels do not establish that two evaluations used the same dataset.

Import private evaluation JSON

Expected format

[{"model":"provider/exact-model-id","task":"support-answer","version":"rubric-1","attempts":100,"successes":84,"costUsd":2.4,"latencyMs":950}]

Use the exact catalogue ID. Replace the example values with observed measurements. Omit costUsd or latencyMs when they are unknown. No public score is inferred from these observations.

Keep the decision and its evidence

A portable record retains selected facts, complete tier ladders, public requirements and the publication manifest. It also embeds the full permitted public catalogue to verify the input artifact checksum. Files are larger for this reason (up to 2 MB); local storage is limited to 12 records. Team review is local to this browser; there is no hosted collaboration.

Owner (private) Review date (private) Recorded choice (private) Rationale (private)

Include private review fields, scenario and observations in downloaded files

Store private decision records on this device

Saving is opt-in and includes private review fields. Shared comparison links never include them. Version 1 Check references remain separate and are not overwritten or guessed into this format.

Import a v2 decision JSON file

Saved local decisions · 0

No version 2 decision records are stored in this browser.

Questions this page answers

Is Gemini 3.7 Flash a better-and-cheaper replacement for GPT-5.6 Sol?

A quality score or a computable price is missing. This pair has no better-and-cheaper verdict.

What is included in this comparison?

Accepted model capabilities, context and output limits, complete price-tier ladders, independent LMArena measurements and missing evidence. Provider endpoint precision and application success still need verification.

Can I compare a different workload or keep a decision record?

Yes. Change the public workload, prompt length and requirements in the comparison workspace. Fixed-request scenarios, aggregate evaluations and review notes stay local unless explicitly exported.

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Gemini 3.7 Flash vs GPT-5.6 Sol

Choose two or three models

What changes between these models

Gemini 3.7 Flash

GPT-5.6 Sol

Gemini 3.7 Flash → GPT-5.6 Sol

Estimate a fixed request shape

Bring your observed evaluation results

Keep the decision and its evidence

Saved local decisions · 0

Questions this page answers