Head-to-Head Model Comparison

Claude Mythos 5.1 vs GPT-6 Astra

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Verificato dal team di ricerca di GetInfoUsUltima verifica: October 2026Politica editoriale
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AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
Claude Mythos 5.1 vs GPT-6 Astra: Benchmarks, Pricing & Speed Comparison

Claude Mythos 5.1 di Anthropic e GPT-6 Astra di OpenAI sono due modelli di IA di riferimento. Claude Mythos 5.1 offre una finestra di contesto di 1M token a $15.00/$75.00 per milione di token, mentre GPT-6 Astra mette a disposizione 272K token di contesto a $10.00/$50.00 per milione di token. Di seguito analizziamo benchmark, latenza e costi.

Confronto Diretto (VS)

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Anthropic

Claude Mythos 5.1

Modello Ammiraglia di Frontiera

Claude Mythos 5.1 di Anthropic è un modello di IA progettato per il ragionamento aziendale di frontiera, la programmazione avanzata e i carichi di produzione, con finestra di contesto da 1M, velocità di 60 token/s, indice di intelligenza di

Intelligence Index88 / 100
Input Token:

$15.00 / 1M

Output Token:

$75.00 / 1M

Context Window:

1M tokens

SWE-bench Verified:

84.2%

OpenAI

GPT-6 Astra

Modello Vocale e Audio Nativo

GPT-6 Astra di OpenAI è un modello di IA progettato per la sintesi vocale naturale, l’elaborazione audio in tempo reale e la trascrizione, con finestra di contesto da 272K, velocità di 100 token/s, indice di intelligenza di 96/100 e tariffa

Intelligence Index96 / 100
Input Token:

$10.00 / 1M

Output Token:

$50.00 / 1M

Context Window:

272K tokens

SWE-bench Verified:

82.4%

Differenze Chiave a Colpo d’Occhio

  • GPT-6 Astra is 1.5x cheaper for API usage (input + output tokens combined).
  • Claude Mythos 5.1 has a larger context window (1M vs 272K tokens).
  • GPT-6 Astra is faster at 100 tok/s vs 60 tok/s.
  • Claude Mythos 5.1 leads on SWE-bench coding (84.2% vs 82.4%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureClaude Mythos 5.1GPT-6 Astra
Intelligence Index
Composite reasoning & knowledge score (0-100)
8896
Provider
AnthropicOpenAI
Input Price
Cost per million input tokens
$15.00 / 1M$10.00 / 1M
Output Price
Cost per million output tokens
$75.00 / 1M$50.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$11.55 / 1M$7.70 / 1M
Context Window
Maximum input + output tokens
1M tokens~1,500 A4 pages of text272K tokens~408 A4 pages of text
Max Output Tokens
Per single request
128K128K
Throughput Speed
Tokens generated per second
60 tok/s100 tok/s
SWE-bench Verified
Real-world software engineering
84.2%82.4%
GPQA Diamond
Graduate-level reasoning
82%80.9%
Cached Input Price
Prompt caching discount per 1M tokens
$1.50 / 1M$1.00 / 1M

Chi vince in ogni categoria?

At-a-glance decision framework
Coding
Claude Mythos 5.1
+1.8% SWE-bench lead
Cost
GPT-6 Astra
1.5x cheaper monthly runtime
Speed
GPT-6 Astra
+67% faster generation
Context
Claude Mythos 5.1
1M tokens window

Punteggi Benchmark Verificati

Official evaluation metrics verified by independent third-party research labs.

Claude Mythos 5.1GPT-6 Astra
SWE-bench Verified (Autonomous Coding)

Industry benchmark evaluating real-world GitHub issue resolution and multi-file debugging.

84.2%vs82.4%
GPQA Diamond (Doctorate-Level Science & Math)

Challenging questions created by domain experts to test complex PhD-level reasoning.

82%vs80.9%
MMLU-Pro (Multi-task Language Understanding)

Hardened reasoning and academic knowledge benchmark with reduced lucky-guess probability.

91.2%vs89.9%
LMSYS Chatbot Arena Elo

Crowdsourced human preference evaluation based on blind, head-to-head model battles.

1520ptsvs1520pts
Humanity's Last Exam (Frontier Expert Knowledge)

Extremely difficult, closed-ended questions spanning the frontier of human expert knowledge.

N/Avs18.2%
Terminal-Bench (Agentic Coding & Terminal Use)

Autonomous multi-step tasks executed inside a real command-line terminal environment.

63.5%vs63.8%
SciCode (Scientific Computing)

Research-grade coding problems drawn from real scientific and numerical workloads.

N/Avs54.9%
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

N/Avs79.8%
AIME (Advanced Math Competition)

American Invitational Mathematics Examination — multi-step Olympiad-level reasoning.

N/Avs93.6%
Long-Context Reasoning

Accuracy when reasoning over very large inputs that fill the model context window.

N/Avs91.2%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

60 tok/s vs100 tok/s

Latenza e Tempo di Risposta

Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.

Time to First Token (TTFT)Lower is better
Claude Mythos 5.11.60s
GPT-6 Astra0.95s
Est. End-to-End Response (500 tokens)TTFT + generation time
Claude Mythos 5.19.93s
GPT-6 Astra5.95s

Simulatore Interattivo dei Costi Token

Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.

100K / day
10K500K1M
30K / day
5K150K300K
50% cached
0% (Cold)50%90% (Warm)
Claude Mythos 5.1 Monthly API Bill
$92.25 / month
$15/1M in · $75/1M out
GPT-6 Astra Monthly API Bill
$61.50 / month
$10/1M in · $50/1M out
GPT-6 Astra saves approximately $30.75 / month (33%) under this workload.1.5x Savings

Claude Mythos 5.1 · Strengths & Key Advantages

  • Finestra di contesto da 1M con capacità massima di output fino a 128K token (SWE-bench Verified 84.2% · GPQA Diamond 82%)
  • Throughput elevato di 60 token/secondo con latenza al primo token (TTFT) di soli 1600 ms
  • Economia API competitiva ($15/$75 per 1M di token) con supporto per prompt caching, tool calling e output JSON strutturati
Considerations & Trade-offs
  • Modello cloud proprietario chiuso; non consente il download locale dei pesi per l’esecuzione offline
  • Per volumi di traffico elevati in produzione si consiglia di attivare il prompt caching e la Batch API

GPT-6 Astra · Strengths & Key Advantages

  • Finestra di contesto da 272K con capacità massima di output fino a 128K token (SWE-bench Verified 82.4% · GPQA Diamond 80.9%)
  • Throughput elevato di 100 token/secondo con latenza al primo token (TTFT) di soli 950 ms
  • Economia API competitiva ($10/$50 per 1M di token) con supporto per prompt caching, tool calling e output JSON strutturati
Considerations & Trade-offs
  • Modello cloud proprietario chiuso; non consente il download locale dei pesi per l’esecuzione offline
  • Per volumi di traffico elevati in produzione si consiglia di attivare il prompt caching e la Batch API

Token Use & Task Economics

Estimated cost and token consumption to complete one representative agentic task.

MetricClaude Mythos 5.1GPT-6 Astra
Cost per Task
Estimated USD to finish one task
$16.46$2.15
Output Tokens / Task
Tokens generated per task
72K58K
Reasoning Tokens / Task
Thinking tokens burned per task
37K32K

Specifiche Tecniche

Architecture, release timeline, capabilities, and modalities.

FeatureClaude Mythos 5.1GPT-6 Astra
Official API Model ID (SDK)claude-mythos-5-1-20260901gpt-6-astra
API ProtocolAnthropic Messages API + AWS Bedrock + Vertex AIOpenAI Responses API & Chat Completions v1
Release Date2026-092026-09
Knowledge CutoffJune 2026June 2026
ArchitectureRestricted Frontier Autonomous Cognitive SystemOmni-Adaptive Autoregressive with Dynamic CoT
ParametersConfidentialConfidential
Enterprise Rate Limits (RPM / TPM)4,000 – 10,000 RPM (Tier 4 + Priority Tier) · 4,000,000 – 10,000,000 TPM10,000 – 30,000 RPM (Tier 5 Enterprise) · 800,000 – 2,000,000 TPM
Long-Context Tier (>128K/200K)Standard rate up to 200K tokens; 2x input/output tier above 200K tokensFlat rate ($10/1M in) across full 272K window
Prompt Cache Policy & TTL$1.5/1M cached read (90% off); 5-min default & 1-hour extended TTLAutomatic prefix caching at $1/1M (no extra cache-write fee)
Computer Use / GUI AgentSupported (Screen coordinate grounding, browser & desktop GUI action loops)Supported (Screen coordinate grounding, browser & desktop GUI action loops)
MCP & Parallel Tool CallingNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON SchemaNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema
Web Search Grounding & SandboxNative Web Search Citations + Code Execution Tool + MCP ConnectorsNative Web Search tool + Hosted Code Interpreter & File Search RAG
Official Fine-Tuning SupportCustom Model Tuning via Amazon Bedrock & Prompt DistillationSupervised Fine-Tuning (SFT), Direct Preference (DPO) & Reinforcement Fine-Tuning (RFT)
Multimodal Token BillingText BPE (~4 chars/token) · Vision (~258–765 tokens per image tile)Text BPE (~4 chars/token) · Vision (~258–765 tokens per image tile) · Audio (~25–32 tokens/sec)
Quantization & Min GPU VRAMCloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API)Cloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API)
Safety & Frontier ClassificationAnthropic RSP ASL-2 / ASL-3 Constitutional Safety EvaluatedOpenAI Preparedness Framework Audited & System Card Published
Enterprise Compliance (ZDR/HIPAA/SOC2)SOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise TierSOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier
Input Modalitiestext, visiontext, vision, audio
Output Modalitiestexttext, audio

Claude Mythos 5.1 vs GPT-6 Astra: Risposte Rapide (FAQ)

Which is more intelligent, Claude Mythos 5.1 or GPT-6 Astra?

GPT-6 Astra is more intelligent. It scores 96 compared with 88 on the composite Intelligence Index.

Which model is faster?

GPT-6 Astra is faster, generating 100 tokens per second compared with 60 tokens per second.

Which model is cheaper to run?

GPT-6 Astra is cheaper at $7.70 per 1M tokens blended, compared with $11.55 (7:2:1 cache:input:output ratio).

Which model has lower latency?

GPT-6 Astra has lower latency, with a time to first token of 0.95s compared with 1.60s.

Which model has a larger context window?

Claude Mythos 5.1 has a larger context window, supporting 1M tokens compared with 272K tokens.

Verdetto

Sia Claude Mythos 5.1 (Ideale per il ragionamento aziendale di frontiera, la programmazione avanzata e i carichi di produzione, sistemi RAG aziendali e integrazioni API scalabili.) sia GPT-6 Astra (Ideale per la sintesi vocale naturale, l’elaborazione audio in tempo reale e la trascrizione, sistemi RAG aziendali e integrazioni API scalabili.) eccellono in produzione: GPT-6 Astra guida nei benchmark di ragionamento e programmazione, GPT-6 Astra garantisce una generazione più rapida e GPT-6 Astra offre il miglior rapporto qualità-prezzo per carichi API elevati.

Domande Frequenti (FAQ)

Quale modello è migliore per coding e ragionamento, Claude Mythos 5.1 o GPT-6 Astra?+

Nell’indice di intelligenza composito e nei benchmark di programmazione prevale GPT-6 Astra. Consulta i punteggi SWE-bench e GPQA qui sopra per tutti i dettagli.

Qual è la differenza di prezzo API tra Claude Mythos 5.1 e GPT-6 Astra?+

Claude Mythos 5.1 costa $15.00 / $75.00 per milione di token di input/output, mentre GPT-6 Astra costa $10.00 / $50.00. Nel costo combinato, GPT-6 Astra risulta più economico.

Quale modello ha la finestra di contesto più ampia e la velocità maggiore?+

Claude Mythos 5.1 supporta 1M token di contesto contro 272K token di GPT-6 Astra, mentre GPT-6 Astra offre una velocità di generazione superiore.

AI Terminology & Guide
Explore Glossary →

Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.

Benchmark scores, token prices, and rate limits evolve rapidly as AI labs release model updates. Always verify current specifications and pricing on the official provider documentation.

Fonti ufficiali: Documentazione API ufficiale di Anthropic e OpenAI, schede di sistema e benchmark indipendenti (2026).