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Gemini 3.1 Flash Lite vs GPT-5.6 Terra

vs
GPT-5.6 Terra

OpenAI

89#19
Signal-by-Signal Comparison
SignalGemini 3.1 Flash LiteDeltaGPT-5.6 Terra
Capabilities
100
--
100
Pricing
99
+14
85
Context window size
86
--
86
Recency
100
--
100
Output Capacity
80
-5
85
Benchmarks
0
-88
88
Overall Result
1 wins
of 6
2 wins
GPT-5.6 Terra wins 2 of 6 signals

Score History

Score History (10 data points)
Gemini 3.1 Flash LiteGPT-5.6 Terra
Gemini 3.1 Flash Lite

23.1

current score

Leader

GPT-5.6 Terra

right now

GPT-5.6 Terra

88.5

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Gemini 3.1 Flash Lite

Google

Best Value
Per request$0.001000
Daily$3.33
Monthly$100.00
Annual$1200.00

GPT-5.6 Terra

OpenAI

Per request$0.010000
Daily$33.33
Monthly$1000.00
Annual$12000.00

Gemini 3.1 Flash Lite saves you $900.00/month

That's $10800.00/year compared to GPT-5.6 Terra at your current usage level of 100K calls/month.

90% cheaper
Choose Gemini 3.1 Flash Lite for cost optimization

Gemini 3.1 Flash Lite pricing:
Input:$0.25/M tokens
Output:$1.50/M tokens
GPT-5.6 Terra pricing:
Input:$2.50/M tokens
Output:$15.00/M tokens
Gemini 3.1 Flash Lite

Google

23

Composite Score

Winner
GPT-5.6 Terra

OpenAI

89

Composite Score

Signal-by-Signal Comparison
MetricGemini 3.1 Flash LiteGPT-5.6 TerraWinner
Overall Score
23
89
GPT-5.6 Terra
Rank#321#19
GPT-5.6 Terra
Quality Rank#321#19
GPT-5.6 Terra
Adoption Rank#321#19
GPT-5.6 Terra
Parameters------
Context Window1049K1050K
GPT-5.6 Terra
Pricing$0.25/$1.50/M$2.50/$15.00/M--
Signal Scores
Capabilities
100
100
Gemini 3.1 Flash Lite
Pricing
99
85
Gemini 3.1 Flash Lite
Context window size
86
86
Gemini 3.1 Flash Lite
Recency
100
100
Gemini 3.1 Flash Lite
Output Capacity
80
85
GPT-5.6 Terra
Benchmarks--
88
GPT-5.6 Terra
Benchmark Head-to-Head(11 benchmarks)
Gemini 3.1: 0GPT-5.6 Terra: 1
Gemini 3.1
GPT-5.6 Terra
Normalized 0-100%
MMLU
-93%
MMLU-Pro
-84.5%
GPQA Diamond
-85%
MATH-500
-92.5%
HumanEval
-96.5%
SWE-bench Verified
-75%
IFEval
-92%
BBH
-90.5%
Arena Elo
-1465
LiveBench
-76%
HLE
8.64%35%
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Gemini 3.1 Flash LiteLimited

Scores 23/100 (rank #321), placing it in the top -10% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
GPT-5.6 TerraElite Tier

Scores 89/100 (rank #19), placing it in the top 94% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

GPT-5.6 Terra has a 65-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Gemini 3.1 Flash Lite when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving

Choose GPT-5.6 Terra when you need:

  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Gemini 3.1 Flash LiteBest Value
Input cost$0.25/M tokens
Output cost$1.50/M tokens
Cost per quality point$0.076
Est. monthly (1M tokens/day)$26.25
GPT-5.6 Terra
Input cost$2.50/M tokens
Output cost$15.00/M tokens
Cost per quality point$0.198
Est. monthly (1M tokens/day)$262.50

Gemini 3.1 Flash Lite offers 90% better value per quality point. At 1M tokens/day, you'd spend $26.25/month with Gemini 3.1 Flash Lite vs $262.50/month with GPT-5.6 Terra - a $236.25 monthly difference.

Latency & Speed
Gemini 3.1 Flash LiteFaster
Speed score0/100
GPT-5.6 Terra
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Gemini 3.1 Flash Lite

Customer support chatbot

Suitable for user-facing chat with competitive response times. Gemini 3.1 Flash Lite also offers lower per-token costs for high-volume support

Gemini 3.1 Flash Lite

Long document analysis

Larger context window (1050K tokens) can process longer documents, contracts, and research papers in a single pass

GPT-5.6 Terra

Batch data extraction

Lower output pricing ($1.50/M) reduces costs when processing thousands of records daily

Gemini 3.1 Flash Lite

Creative writing & content

Higher overall composite score (89/100) correlates with better nuance, coherence, and style in long-form content

GPT-5.6 Terra

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Gemini 3.1 Flash Lite
Which Should You Choose?
Our recommendation:
GPT-5.6 Terra

GPT-5.6 Terra clearly outperforms Gemini 3.1 Flash Lite with a significant 65.4-point lead. For most general use cases, GPT-5.6 Terra is the stronger choice. However, Gemini 3.1 Flash Lite may still excel in niche scenarios.

by Google

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 90% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale
GPT-5.6 Terra
Recommended

by OpenAI

Consider for specialized use cases.

Capability Comparison
CapabilityGemini 3.1 Flash LiteGPT-5.6 Terra
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Gemini 3.1 Flash Lite

Google

Best Value
$2.25
estimated monthly cost

GPT-5.6 Terra

OpenAI

$22.50
estimated monthly cost

Gemini 3.1 Flash Lite saves you $20.25/month

That's 90% cheaper than GPT-5.6 Terra at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterGemini 3.1 Flash LiteGPT-5.6 Terra
Context Window1.0M1.1M
Max Output Tokens65,536128,000
Open SourceNoNo
CreatedMay 7, 2026Jul 9, 2026
Last updated: 11m ago

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