GPT-6 Astra vs. Claude Opus 5.5 vs. Gemini 4 Argon
Compare published indexes, API pricing and context limits. Pick two to four options to explore how they differ.
General review: 2026-11-04 · Individual dates with sources · Not a real-time feedEditorial editionGeneral review: 2026-11-04Not a real-time feed
Claude Opus 5.5
Anthropic · Proprietary APIGemini 4 Argon
Google · Proprietary APIWhat changes between your options
| Metric | GPT-6 Astra | Claude Opus 5.5 | Gemini 4 Argon |
|---|---|---|---|
| LLM Statspoints · higher is betterClaude Opus 5.5 +5% | −4%57.3LLM Stats ↗ | 59.9 (Best value)LLM Stats ↗ | −9%54.4LLM Stats ↗ |
| Reasoningpoints · higher is betterClaude Opus 5.5 +5% | −5%55.7LLM Stats ↗ | 58.5 (Best value)LLM Stats ↗ | −11%51.9LLM Stats ↗ |
| Codingpoints · higher is betterClaude Opus 5.5 +9% | −8%46.7LLM Stats ↗ | 51 (Best value)LLM Stats ↗ | −15%43.4LLM Stats ↗ |
| Input priceUSD / M tokens · lower is betterGemini 4 Argon 2× cheaper | 5×$10.00Vendor ↗ | 2×$4.00Vendor ↗ | $2.00 (Best value)Vendor ↗ |
| Output priceUSD / M tokens · lower is betterGemini 4 Argon 2× cheaper | 5×$50.00Vendor ↗ | 2×$20.00Vendor ↗ | $10.00 (Best value)Vendor ↗ |
| Contexttokens · higher is better | 1.05MVendor ↗ | 1.00MVendor ↗ | 1.05MVendor ↗ |
| Max outputtokens · higher is betterGemini 4 Argon 8.2× more | −88%128KVendor ↗ | −88%128KVendor ↗ | 1.05M (Best value)Vendor ↗ |
Standard API, USD per million tokens, no caching, short context. Indexes are an LLM Stats snapshot; they are not percentages or Codifly tests. A curated catalog, not an exhaustive one.
Compare each dimension
View the data as a table
| # | Name | Input price (USD / M tokens) | LLM Stats (points) |
|---|---|---|---|
| 1 | GPT-6 Astra | $10.00 | 57.3 |
| 2 | GPT-6.1 Sol | $2.00 | 53.4 |
| 3 | Claude Fable 5.1 | $10.00 | 52.8 |
| 4 | Claude Opus 5.5 | $4.00 | 59.9 |
| 5 | Claude Opus 5 | $5.00 | 53.4 |
| 6 | GPT-5.6 Sol | $4.00 | 52.7 |
| 7 | GPT-5.6 Terra | $2.00 | 49 |
| 8 | GPT-6.1 Terra | $1.00 | 47.6 |
| 9 | Gemini 4 Argon | $2.00 | 54.4 |
| 10 | Gemini 3.8 Flash | $0.75 | 48.9 |
| 11 | Claude Sonnet 5.5 | $2.00 | 57.9 |
| 12 | Claude Sonnet 5 | $2.00 | 46.9 |
| 13 | Claude Haiku 5.5 | $0.10 | 49.4 |
| 14 | GPT-5.6 Luna | $0.20 | 44 |
| 15 | GPT-6 Luna | $0.10 | 43.1 |
| 16 | DeepSeek V4.1 Flash | $0.30 | 50.9 |
| 17 | DeepSeek V4 Pro | $1.32 | 49.5 |
| 18 | Muse Spark 1.3 | $1.25 | 52 |
| 19 | Kimi K3 | $3.00 | 51.4 |
| 20 | Kimi K3.1 Pro | $2.00 | 55.6 |
| 21 | GLM-5.3 | $1.40 | 50.5 |
| 22 | Qwen3.8 Max | $2.00 | 50.4 |
| 23 | GLM-5.3 Flash | $0.15 | 48.3 |
| 24 | Qwen3.8 Flash | $0.15 | 47.8 |
| 25 | MiniMax M3.1 Flash | $0.15 | 48.4 |
| 26 | Grok 4.7 | $2.00 | 46.3 |
| 27 | Grok 4.6 | $2.00 | 44.3 |
| 28 | Mistral Large 4 | $0.70 | 46.9 |
What would your usage cost?
Three usage levels computed only from catalog rates. Assumptions in plain sight; not a quote.
Prototype
5M input + 1M output tokens / month
- Gemini 4 Argon$20.00 (Best value)
- Claude Opus 5.5$40.00
- GPT-6 Astra$100.00
Product
100M input + 20M output / month
- Gemini 4 Argon$400.00 (Best value)
- Claude Opus 5.5$800.00
- GPT-6 Astra$2,000.00
Scale
1,000M input + 200M output / month
- Gemini 4 Argon$4,000.00 (Best value)
- Claude Opus 5.5$8,000.00
- GPT-6 Astra$20,000.00
Standard input and output rates; no caching, batch, tools or long-context surcharges.
Your own volume
Input × rate + output × rate. Change the volume to see the difference.
Aggregate volume of short-context requests. No caching, tools, taxes, batch or long-context surcharges. Not a quote.
- Gemini 4 Argon$40.00 (Best value)
- Claude Opus 5.5$80.00
- GPT-6 Astra$200.00
Specs and operations
| Feature | GPT-6 Astra | Claude Opus 5.5 | Gemini 4 Argon |
|---|---|---|---|
| Inputs | Text, image | Text, image | Text, image, audio, video, PDF |
| Outputs | Text | Text | Text |
| Context limit | Total window: 1,050,000 tokens; maximum output: 128,000 within that window | Published window: 1,000,000 tokens | Unified input and output: 1,048,576 tokens |
| Distribution | Proprietary API | Proprietary API | Proprietary API |
| Published output limit | No data | No data | 65,536 by default; up to 1,048,576 with long decode |
Sources, scope and fine print
What to validate before you make a decision.
GPT-6 Astra
Above 272K input tokens, the entire request costs 2× input and 1.5× output. Access depends on provider eligibility.
Checked on 2026-11-04 · Editorial updateClaude Opus 5.5
Base rate for the direct API. Caching, batch, tools and other providers have their own terms. The index doesn't determine the outcome for your use case.
Checked on 2026-11-04 · Editorial updateGemini 4 Argon
Through November 30, 2026: $2 input and $10 output per million; from December 1: $4 and $20. Output includes thinking. Unified input/output window: 1,048,576 tokens. Default synchronous output: 65,536; the 1,048,576 maximum requires long decode and shares the window with input.
Checked on 2026-11-04 · Editorial updateTake the comparison to your use case.
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Frequently asked questions
How much does GPT-6 Astra cost?+
Input price: $10.00 USD / M tokens · Output price: $50.00 USD / M tokens. Official prices reviewed on Nov 4, 2026; confirm conditions and discounts in the linked source.
How much does Claude Opus 5.5 cost?+
Input price: $4.00 USD / M tokens · Output price: $20.00 USD / M tokens. Official prices reviewed on Nov 4, 2026; confirm conditions and discounts in the linked source.
How much does Gemini 4 Argon cost?+
Input price: $2.00 USD / M tokens · Output price: $10.00 USD / M tokens. Official prices reviewed on Nov 4, 2026; confirm conditions and discounts in the linked source.
How much does GPT-6 Astra cost in Colombian pesos?+
Precio entrada: $10.00 USD / M tokens ≈ COP 31,747 / M tokens · MXN 185 / M tokens · BRL 50.89 / M tokens · Precio salida: $50.00 USD / M tokens ≈ COP 158,734 / M tokens · MXN 923 / M tokens · BRL 254 / M tokens. Reference conversion at the TRM of 3,174.67 COP per dollar (Oct 17, 2026); it excludes taxes and bank fees.
How much does Claude Opus 5.5 cost in Colombian pesos?+
Precio entrada: $4.00 USD / M tokens ≈ COP 12,699 / M tokens · MXN 73.86 / M tokens · BRL 20.35 / M tokens · Precio salida: $20.00 USD / M tokens ≈ COP 63,493 / M tokens · MXN 369 / M tokens · BRL 102 / M tokens. Reference conversion at the TRM of 3,174.67 COP per dollar (Oct 17, 2026); it excludes taxes and bank fees.
How much does Gemini 4 Argon cost in Colombian pesos?+
Precio entrada: $2.00 USD / M tokens ≈ COP 6,349 / M tokens · MXN 36.93 / M tokens · BRL 10.18 / M tokens · Precio salida: $10.00 USD / M tokens ≈ COP 31,747 / M tokens · MXN 185 / M tokens · BRL 50.89 / M tokens. Reference conversion at the TRM of 3,174.67 COP per dollar (Oct 17, 2026); it excludes taxes and bank fees.
Which is cheapest by input price?+
By Gemini 4 Argon ($2.00 USD / M tokens) < Claude Opus 5.5 ($4.00 USD / M tokens) < GPT-6 Astra ($10.00 USD / M tokens). Also compare limits and conditions: a lower price does not always mean an equivalent plan.
Where do these prices come from?+
From each provider's official pages, linked on every product page and reviewed on Nov 4, 2026. Codifly is not paid for any product's position.
Guides to help you decide
Prices read from official sources, worked examples and criteria for choosing. Download the data