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Cogito v2.1 671B vs Gemini 3.6 Flash (batch)

Cogito v2.1 671B

deepcogito

40#304
vs
Signal-by-Signal Comparison
SignalCogito v2.1 671BDeltaGemini 3.6 Flash (batch)
Capabilities
50
-50
100
Pricing
99
+3
96
Context window size
81
-14
96
Recency
84
-16
100
Output Capacity
20
-60
80
Benchmarks
0
-78
78
Overall Result
1 wins
of 6
5 wins
Gemini 3.6 Flash (batch) wins 5 of 6 signals

Score History

Score History (25 data points)
Cogito v2.1 671BGemini 3.6 Flash (batch)
Cogito v2.1 671B

40

current score

Leader

Gemini 3.6 Flash (batch)

right now

Gemini 3.6 Flash (batch)

80

current score

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

Cogito v2.1 671B

deepcogito

Best Value
Per request$0.001875
Daily$6.25
Monthly$187.50
Annual$2250.00

Gemini 3.6 Flash (batch)

Google

Per request$0.002625
Daily$8.75
Monthly$262.50
Annual$3150.00

Cogito v2.1 671B saves you $75.00/month

That's $900.00/year compared to Gemini 3.6 Flash (batch) at your current usage level of 100K calls/month.

29% cheaper
Choose Cogito v2.1 671B for cost optimization

Cogito v2.1 671B pricing:
Input:$1.25/M tokens
Output:$1.25/M tokens
Gemini 3.6 Flash (batch) pricing:
Input:$0.75/M tokens
Output:$3.75/M tokens
Cogito v2.1 671B

deepcogito

40

Composite Score

Winner
Gemini 3.6 Flash (batch)

Google

80

Composite Score

Signal-by-Signal Comparison
MetricCogito v2.1 671BGemini 3.6 Flash (batch)Winner
Overall Score
40
80
Gemini 3.6 Flash (batch)
Rank#304#88
Gemini 3.6 Flash (batch)
Quality Rank#304#88
Gemini 3.6 Flash (batch)
Adoption Rank#304#88
Gemini 3.6 Flash (batch)
Parameters671B----
Context Window128K1049K
Gemini 3.6 Flash (batch)
Pricing$1.25/$1.25/M$0.75/$3.75/M--
Signal Scores
Capabilities
50
100
Gemini 3.6 Flash (batch)
Pricing
99
96
Cogito v2.1 671B
Context window size
81
96
Gemini 3.6 Flash (batch)
Recency
84
100
Gemini 3.6 Flash (batch)
Output Capacity
20
80
Gemini 3.6 Flash (batch)
Benchmarks--
78
Gemini 3.6 Flash (batch)
Benchmark Head-to-Head(1 benchmarks)
Cogito v2.1: 0Gemini 3.6: 0
Cogito v2.1
Gemini 3.6
Normalized 0-100%
Arena Elo
-1485
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.

Cogito v2.1 671BEntry Level

Scores 40/100 (rank #304), placing it in the top -4% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Gemini 3.6 Flash (batch)Strong Performer

Scores 80/100 (rank #88), placing it in the top 70% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Gemini 3.6 Flash (batch) has a 40-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Cogito v2.1 671B when you need:

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

Choose Gemini 3.6 Flash (batch) when you need:

  • Processing long documents or large codebases (1049K token context)
  • Multimodal workflows that require image understanding
  • Agentic applications using tool/function calling
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Cogito v2.1 671B
Input cost$1.25/M tokens
Output cost$1.25/M tokens
Cost per quality point$0.063
Est. monthly (1M tokens/day)$37.50
Gemini 3.6 Flash (batch)Best Value
Input cost$0.75/M tokens
Output cost$3.75/M tokens
Cost per quality point$0.056
Est. monthly (1M tokens/day)$67.50

Gemini 3.6 Flash (batch) offers 44% better value per quality point. At 1M tokens/day, you'd spend $37.50/month with Cogito v2.1 671B vs $67.50/month with Gemini 3.6 Flash (batch) - a $30.00 monthly difference.

Latency & Speed
Cogito v2.1 671BFaster
Speed score0/100
Gemini 3.6 Flash (batch)
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

Cogito v2.1 671B

Customer support chatbot

Suitable for user-facing chat with competitive response times. Cogito v2.1 671B also offers lower per-token costs for high-volume support

Cogito v2.1 671B

Long document analysis

Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass

Gemini 3.6 Flash (batch)

Batch data extraction

Lower output pricing ($1.25/M) reduces costs when processing thousands of records daily

Cogito v2.1 671B

Creative writing & content

Higher overall composite score (80/100) correlates with better nuance, coherence, and style in long-form content

Gemini 3.6 Flash (batch)

Image understanding & OCR

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

Gemini 3.6 Flash (batch)
Which Should You Choose?
Our recommendation:
Gemini 3.6 Flash (batch)

Gemini 3.6 Flash (batch) clearly outperforms Cogito v2.1 671B with a significant 40-point lead. For most general use cases, Gemini 3.6 Flash (batch) is the stronger choice. However, Cogito v2.1 671B may still excel in niche scenarios.

by deepcogito

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 44% 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

by Google

Consider for specialized use cases.

Capability Comparison
CapabilityCogito v2.1 671BGemini 3.6 Flash (batch)
Vision (Image Input)differs
Function Callingdiffers
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Cogito v2.1 671B

deepcogito

Best Value
$3.75
estimated monthly cost

Gemini 3.6 Flash (batch)

Google

$5.85
estimated monthly cost

Cogito v2.1 671B saves you $2.10/month

That's 36% cheaper than Gemini 3.6 Flash (batch) 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
ParameterCogito v2.1 671BGemini 3.6 Flash (batch)
Context Window128K1.0M
Max Output Tokens--65,536
Open SourceNoNo
CreatedNov 13, 2025Jul 21, 2026
Last updated: 31m ago

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