GPT-5.4 mini vs Grok 4.3 vs North Mini Code
North Mini Code comes out ahead, 71 to 56 and 49 on our weighted score, and it is the cheaper option too.
OpenAIGPT-5.4 mini
49/100- ECI148.8
- Price$0.75 / $4.50
- Context400K
xAIGrok 4.3
56/100- ECI149.2
- Price$1.25 / $2.50
- Context1M
- Our pick
CohereNorth Mini Code
71/100- ECI—
- PriceFree / Free
- Context256K
North Mini Code is our pick
North Mini Code is the better all-round choice, scoring 71/100 against Grok 4.3 (56) and GPT-5.4 mini (49). It leads on price. Grok 4.3 wins on inputs & features and context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceNorth Mini CodeNorth Mini Code Free · Grok 4.3 $1.56 · GPT-5.4 mini $1.69 per 1M tokens (3:1 blend)
- Longest contextGrok 4.3Grok 4.3 1,000,000 · GPT-5.4 mini 400,000 · North Mini Code 256,000 tokens
- Widest inputsGrok 4.3GPT-5.4 mini: Text, Images · Grok 4.3: Text, Images, PDFs · North Mini Code: Text
- Self-hostingNorth Mini CodePublishes downloadable weights
| Measure | Weight | GPT-5.4 mini | Grok 4.3 | North Mini Code |
|---|---|---|---|---|
| Price | 50% | 39 | 41 | 100 |
| Inputs & features | 30% | 70 | 80 | 45 |
| Context window | 20% | 44 | 60 | 36 |
| Overall | 100% | 49/100 | 56/100 | 71/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | GPT-5.4 miniOpenAI | Grok 4.3xAI | North Mini CodeCohere |
|---|---|---|---|
| Capability | |||
| Capabilities Index (ECI) | 148.8 | 149.2 (best) | — |
| ECI rank | #56 of 148 | #55 of 148 (best) | — |
| GPQA DiamondGraduate-level science questions | 86.9% | 88.8% (best) | — |
| FrontierMath Tiers 1–3Research-level mathematics | 51.2% (best) | 42.8% | — |
| OTIS Mock AIME 2024–2025Competition mathematics | 88.9% | 93.3% (best) | — |
| SimpleQA VerifiedShort factual questions | 29.4% | 33.2% (best) | — |
| Price per million tokens | |||
| Input | $0.75 | $1.25 | Free (best) |
| Output | $4.50 | $2.50 | Free (best) |
| Cached input | $0.075 (best) | $0.20 | — |
| Blended (3:1) | $1.69 | $1.56 | Free (best) |
| Long-context rate | Same rate | Over 200K: $2.50 / $5.00 | Same rate |
| Price source | Official OpenAI API | Official xAI API | Official Cohere API |
| Limits | |||
| Context window | 400,000 tokens | 1,000,000 tokens (best) | 256,000 tokens |
| Max output | 128,000 tokens (best) | 30,000 tokens | 64,000 tokens |
| Inputs and features | |||
| Text | Yes | Yes | Yes |
| Images | Yes | Yes | No |
| PDFs | No | Yes | No |
| Audio | No | No | No |
| Video | No | No | No |
| Reasoning | Yeslow · medium · high · xhigh | Yeslow · medium · high | Yeshigh |
| Tool calling | Yes | Yes | Yes |
| Structured output | Yes | Yes | Yes |
| Availability | |||
| Weights | Proprietary | Proprietary | Open |
| API model ID | gpt-5.4-mini | grok-4.3 | north-mini-code-1-0 |
| API providers | 29 (best) | 27 | 2 |
| Released | Mar 17, 2026 | Apr 17, 2026 | Jun 9, 2026 |
| Knowledge cutoff | Aug 31, 2025 | — | Sep 23, 2025 |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- GPT-5.4 mini$16.50
- Grok 4.3$17.50
- North Mini CodeFree
Which should you choose?
Which is better: GPT-5.4 mini, Grok 4.3 or North Mini Code?
North Mini Code is the better all-round choice, scoring 71/100 against Grok 4.3 (56) and GPT-5.4 mini (49). It leads on price. Grok 4.3 wins on inputs & features and context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, GPT-5.4 mini, Grok 4.3 or North Mini Code?
North Mini Code is cheaper at Free input / Free output per million tokens (official Cohere API price). Grok 4.3 costs $1.25 input / $2.50 output per million tokens (official xAI API price); GPT-5.4 mini costs $0.75 input / $4.50 output per million tokens (official OpenAI API price). North Mini Code is listed as free.
Which scores higher on benchmarks?
There is no independent benchmark that covers all three models yet. GPT-5.4 mini has an ECI of 148.8, Grok 4.3 has an ECI of 149.2 and North Mini Code has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for GPT-5.4 mini, Grok 4.3 and North Mini Code yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.
Which has the bigger context window?
Grok 4.3 has the largest context window at 1,000,000 tokens, against 400,000 for GPT-5.4 mini and 256,000 for North Mini Code. Maximum output per response: GPT-5.4 mini up to 128,000, Grok 4.3 up to 30,000, North Mini Code up to 64,000 tokens.
Which can read images, PDFs, audio or video?
GPT-5.4 mini accepts text and images; Grok 4.3 accepts text, images and PDFs; North Mini Code accepts text. Grok 4.3 handles the widest range of inputs.
Are any of these open source?
North Mini Code publishes its weights and can be self-hosted; GPT-5.4 mini and Grok 4.3 is proprietary.
Which is newer?
North Mini Code is the newest, released Jun 9, 2026. Grok 4.3 came out Apr 17, 2026; GPT-5.4 mini came out Mar 17, 2026. Knowledge cutoff: GPT-5.4 mini Aug 31, 2025, North Mini Code Sep 23, 2025.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.
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