API cost decision in 10 seconds

INTELLECT-3 vs Cogito v2.1 671B

Pick INTELLECT-3 when budget and context both matter.

Page updated: 2026-05-26T10:03:26Z Data confirmed: 2026-05-26T13:08:02Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick INTELLECT-3 when budget and context both matter.

On the standard 1M input plus 500K output workload, INTELLECT-3 is estimated at $0.75 vs $1.88 for Cogito v2.1 671B, saving $1.12 (60% lower).

Cost-first pickINTELLECT-3

Context-first pickINTELLECT-3

Sample savings$1.1260%

10x traffic gap$11.25

INTELLECT-3 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $11.25. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

INTELLECT-3 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	INTELLECT-3	Cogito v2.1 671B
Input-heavy / RAG	5M input + 500K output	INTELLECT-3	$1.55	$6.88
Balanced workload	1M input + 1M output	INTELLECT-3	$1.3	$2.5
Output-heavy chatbot	1M input + 5M output	INTELLECT-3	$5.7	$7.5

Cheaper input INTELLECT-3 $0.2 vs $1.25 / 1M

INTELLECT-3 is $1.05 cheaper per 1M input tokens (84% lower; 6.25x difference).

Cheaper output INTELLECT-3 $1.1 vs $1.25 / 1M

INTELLECT-3 is $0.15 cheaper per 1M output tokens (12% lower; 1.14x difference).

Larger context INTELLECT-3 131.07K vs 128K

INTELLECT-3 has 3.07K more context (1.02x larger).

Sample workload INTELLECT-3 $0.75 vs $1.88

INTELLECT-3 is $1.12 cheaper on the standard workload (60% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

INTELLECT-3 Calculating… Estimated API cost

Cogito v2.1 671B Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

INTELLECT-3 has the lower input price; INTELLECT-3 has the lower output price; INTELLECT-3 offers the larger context window. For the 1M input plus 500K output sample, INTELLECT-3 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.75 for INTELLECT-3 and $1.88 for Cogito v2.1 671B.

Best Fit

Choose INTELLECT-3 when you care most about lower input-token price, lower output-token price, and larger context window.

Choose Cogito v2.1 671B when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes

On the standard 1M input plus 500K output workload, INTELLECT-3 is estimated at $0.75 vs $1.88 for Cogito v2.1 671B, saving $1.12 (60% lower).
INTELLECT-3 is $1.12 cheaper on the standard workload (60% lower).
INTELLECT-3 is $1.05 cheaper per 1M input tokens (84% lower; 6.25x difference).
INTELLECT-3 is $0.15 cheaper per 1M output tokens (12% lower; 1.14x difference).
INTELLECT-3 has 3.07K more context (1.02x larger).

Head-to-Head Specs

Feature	INTELLECT-3 (Prime Intellect)	Cogito v2.1 671B (Deep Cogito)
Input Price prompt tokens per 1M	$0.2	$1.25
Completion Price per 1M tokens	$1.1	$1.25
Sample Workload Cost 1M input + 500K output	$0.75	$1.88
Context Window	131.07K	128K
Release Date	2025-11-27	2025-11-13

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	INTELLECT-3	On the standard 1M input plus 500K output workload, INTELLECT-3 is estimated at $0.75 vs $1.88 for Cogito v2.1 671B, saving $1.12 (60% lower).
High-volume input processing	INTELLECT-3	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	INTELLECT-3	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	INTELLECT-3	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

No lower-cost same-provider swap is currently tracked for this pair.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Owl Alpha offers 1.05M context with $0 sample workload cost.
DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.
DeepSeek V4 Pro offers 1.05M context with $0.87 sample workload cost.

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Cheaper alternatives

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Larger context alternatives

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Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

Prime Intellect catalog

Review all tracked Prime Intellect models before deciding whether this matchup is the right shortlist.

Open Prime Intellect models

Deep Cogito catalog

Check other Deep Cogito models with comparable pricing, context, or release timing.

Open Deep Cogito models

INTELLECT-3

INTELLECT-3 is a 106B-parameter Mixture-of-Experts model (12B active) post-trained from GLM-4.5-Air-Base using supervised fine-tuning (SFT) followed by large-scale reinforcement learning (RL). It offers state-of-the-art performance for its size across math,...

Cogito v2.1 671B

Cogito v2.1 671B MoE represents one of the strongest open models globally, matching performance of frontier closed and open models. This model is trained using self play with reinforcement learning...