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Home/Gemini 3.6 Flash vs GPT-5.6 Terra
Winner: GPT-5.6 TerraGoogle vs OpenAI

Gemini 3.6 Flash vs GPT-5.6 Terra

Gemini 3.6 Flash wins on price ($1.5 vs $2/1M input). GPT-5.6 Terra wins on coding (94 vs 92) and writing quality. For most workflows, GPT-5.6 Terra is the stronger default — best openai value — near-flagship capability at 60% off.

Last verified Aug 6, 2026/Model data modified Aug 6, 2026
Rankings refresh dailyScored on 6 criteriaNo paid rankings
OpenAIBalanced
Input cost
$2.00/1M
Context
1.1M tokens
Speed
Balanced

Clear recommendation block

The shortest way to see the safest default, the lower-cost option, and the specialist pick before you read deeper.

Best overall model

GPT-5.6 Terra

View
Why this recommendation

GPT-5.6 Terra is the safest overall answer here when you want the strongest default instead of the lowest list price.

OpenAIBalanced
Best for
High-volume production and enterprise workloads
Price
$2.00/1M
Context
1.1M tokens
Best budget model

Mistral: Mistral Nemo

View
Why this recommendation

Mistral: Mistral Nemo is the lower-cost option to start with when you still need useful output at scale.

MistralBudget
Best for
Teams needing a cheap, fast, multilingual workhorse for classification, summarization, or light coding tasks at scale.
Price
$0.02/1M
Context
131k tokens
Best for speed

Gemini 3.6 Flash

View
Why this recommendation

Gemini 3.6 Flash is the better pick when response speed matters more than maximum reasoning depth.

GoogleBalanced
Best for
Cost-efficient long-horizon agents and computer use
Price
$1.50/1M
Context
1.0M tokens

Why this page recommends it

GPT-5.6 Terra leads on coding with a score of 94 vs 92 for Gemini 3.6 Flash.

GPT-5.6 Terra has the larger context window: 1.05M vs 1.048576M for Gemini 3.6 Flash.

Gemini 3.6 Flash is cheaper at $1.5/1M input tokens vs $2/1M for GPT-5.6 Terra.

Decision notes

Choose GPT-5.6 Terra for coding and writing — high-volume production and enterprise workloads.

Choose Gemini 3.6 Flash when cost-efficient long-horizon agents and computer use.

Gemini 3.6 Flash is the more cost-efficient option at $1.5/1M — worth considering if token volume is a concern.

Interactive decision lab

Test the recommendation against your priority

Switch the scoring lens to see whether the top answer changes when you care more about cost, speed, or long-document work.

#1GPT-5.6 Terra89 pts
#2Gemini 3.6 Flash88 pts
Quality first

GPT-5.6 Terra

OpenAI / Balanced / Aug 6, 2026

89

Best OpenAI value — near-flagship capability at 60% off.

Ranks models by the broadest mix of coding, writing, research, and long-context usefulness.

Cost
$2.00/1M
$12.00/1M out
Speed
Balanced
3/100 score
Context
1.1M tokens
input window
View model
Data-backed recommendation
Avoid this pick if

You need Sol-level computer use or Opus 5-level repo engineering.

Recommended comparisons

The fastest way to see where the recommendation shifts when your priority changes.

GoogleBalancedWinner: GPT-5.6 Terra

Gemini 3.6 Flash

Best Gemini for agents — efficiency king with native computer use.

Best use case
Cost-efficient long-horizon agents and computer use
Input
$1.50/1M
Pricing
Balanced
Speed
Fast
Context
1.0M tokens
AgenticComputer useEfficient
OpenAIBalancedOption 2

GPT-5.6 Terra

Best OpenAI value — near-flagship capability at 60% off.

Best use case
High-volume production and enterprise workloads
Input
$2.00/1M
Pricing
Balanced
Speed
Balanced
Context
1.1M tokens
ProductionCodingLong context

Pros

Within 1–4 points of Sol on core benchmarks (SWE-bench Pro 63.4%, Terminal-Bench 2.1 87.4%, GPQA Diamond 92.9%) at $2/$12

Strong long-context recall: 72.5% on 512K–1M tasks vs Luna's 41.3% collapse

July 30, 2026 price cut made it ~2x cheaper than GPT-5.5 for comparable capability

Cons

Big gap to Sol on computer use (OSWorld 50.2% vs 62.6%) — not a drop-in Sol replacement for agents

Well behind Claude Opus 5 on repository-level coding (SWE-bench Pro ~63% vs 79.2%)

Explore related decisions

Comparison
Claude Sonnet 5 vs GPT-5.6 TerraClaude Sonnet 5 vs GPT-5.6 Terra — see exactly which wins on SWE-bench coding, price per 1M tokens, context window, and speed, with a clear verdict for every…Read guide
Comparison
GPT-5.6 Sol vs GPT-5.6 TerraGPT-5.6 Sol vs GPT-5.6 Terra — see exactly which wins on SWE-bench coding, price per 1M tokens, context window, and speed, with a clear verdict for every use…Read guide
Comparison
GPT-5.6 Terra vs GPT-5.5GPT-5.6 Terra vs GPT-5.5 — see exactly which wins on SWE-bench coding, price per 1M tokens, context window, and speed, with a clear verdict for every use case.Read guide
Google
Gemini 3.6 FlashBest Gemini for agents — efficiency king with native computer use.Read guide
OpenAI
GPT-5.6 TerraBest OpenAI value — near-flagship capability at 60% off.Read guide
Alternatives
Best Gemini 3.6 Flash AlternativesLooking for a Gemini 3.6 Flash alternative? Compare 4 rivals on real capability scores, price per 1M tokens, and context size — including cheaper and…Read guide
Alternatives
Best GPT-5.6 Terra AlternativesLooking for a GPT-5.6 Terra alternative? Compare 5 rivals on real capability scores, price per 1M tokens, and context size — including cheaper and open-weight…Read guide
Guide
Best AI for CodingClaude Opus 4.7 leads coding AI in 2026 with 64.3% on SWE-Bench Pro. Compare it to GPT-5.5, Claude Sonnet 4.6, and budget picks like DeepSeek V3 for your stack.Read guide

Quick links

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FAQ

Is Gemini 3.6 Flash better than GPT-5.6 Terra?

GPT-5.6 Terra wins on more categories — coding, writing, research. Gemini 3.6 Flash is the better pick when cost-efficient long-horizon agents and computer use. The right choice depends on your specific use case.

Which is cheaper — Gemini 3.6 Flash or GPT-5.6 Terra?

Gemini 3.6 Flash is cheaper at $1.5/1M input and $7.5/1M output. GPT-5.6 Terra costs $2/1M input and $12/1M output.

Which has a larger context window — Gemini 3.6 Flash or GPT-5.6 Terra?

GPT-5.6 Terra has the larger context window at 1.05M tokens vs Gemini 3.6 Flash's 1.048576M. For large document analysis, GPT-5.6 Terra is the stronger pick.

Is Gemini 3.6 Flash or GPT-5.6 Terra better for coding?

GPT-5.6 Terra is better for coding with a score of 94 vs Gemini 3.6 Flash's 92 (out of 100). Claude Fable 5 is the overall coding leader in this directory at 100/100.

Which is faster — Gemini 3.6 Flash or GPT-5.6 Terra?

Gemini 3.6 Flash is faster with a fast speed rating (score: 4) vs GPT-5.6 Terra's balanced rating (score: 3).